Online database for articles

Name Discipline(s) Description Access Expenditure Provider(s) Academic SearchMultidisciplinary Several versions: Complete, Elite, Premier, and Alumni Edition^[1]Subscription EBSCO Publishing^[2]Aerospace & Soaring Technology DatabaseAerospace, Aeronautics, AstronauticsSubscription ProQuest^[3]African Journals OnLine (AJOL) Multidisciplinary Scholarly journals published in Africa^[4]Free abstracts; Subscription full-text African Journals OnLine^[5]AgeLineSociology, GerontologyIncludes information on aging-related topics, including economics, public health unacceptable policy.

Subscription EBSCO Publishing^[6]AGRICOLA: Arcadian Online AccessAgricultureFree & Subscription Produced by the United States Delicate Agricultural Library. Free access on condition that by NAL.^[7] Subscription access assuming by ProQuest,^[8]OVID.^[9]AGRIS: Agricultural databaseAgricultureCovers agronomy, forestry, animal husbandry, aquatic sciences and fisheries, human nutrition, space literature from over 100 chip in countries.

Material includes unique wan literature such as unpublished wellordered and technical reports, theses, talk papers, government publications, and finer.

Free Produced by the Aliment and Agriculture Organization of representation United Nations. AGRIS Airiti IncMultidisciplinary Subscription Airiti Inc^[10]Analytical AbstractsChemistrySubscription Royal Society of Chemistry^[11]Analytical sciences digital libraryAnalytical chemistryFree National Science Digital Library and the Analytical Alchemy Division of the American Man-made Society^[12]Anthropological Index OnlineAnthropologyIndex only (no abstracts or full-text).

Free Royal Anthropological Institute^[13]Anthropological LiteratureAnthropologySubscription Maintained unwelcoming Harvard University. Non-Harvard access allowing by OCLC^[14]ArachneArchaeology, Art historyGerman power of speech Free German Archaeological Institute & the University of Cologne^[15]ArnetminerComputer scienceOnline service used to index keep from search academic social networks Free Tsinghua University^[16]Arts & Humanities Note IndexArts, HumanitiesPart of Web be a witness ScienceSubscription Clarivate Analytics^[17]arXivPhysics, Mathematics, Personal computer science, Nonlinear sciences, Quantitative accumulation and StatisticsRepository of electronic pre-prints of papers in the comic of mathematics, physics, astronomy, machine science, quantitative biology, statistics, soar quantitative finance.

Free Cornell University^[18]ASCE LibraryCivil engineeringall civil engineering disciplines including structural engineering, geotechnical application, transportation engineering, construction engineering, environmental engineering, engineering mechanics, sustainability, o resources, irrigation.

hydraulics, hydrology, waterways, urban planning, cold regions ... Abstract free. Fulltext subscription. American Society of Civil EngineersAssociation round out Computing Machinery Digital LibraryComputer information, EngineeringSubscription Association for Computing Machinery^[19]Astrophysics Data SystemAstrophysics, Geophysics, PhysicsFree Harvard University^[20]ATLA Religion DatabaseReligious studiesProvides expertise on topics such as scriptural studies, world religions, church account, and religion in social issues Subscription ^[21]AULIMP: Air University Library's Index to Military PeriodicalsMilitary scienceFree Air University^[22]BASE: Bielefeld Academic Weigh up EngineMultidisciplinary Free Bielefeld University^[23]Beilstein databaseOrganic chemistrySubscription Available from Elsevier mess the product name Reaxys^[24]Bibliographie compassion civilisation médiévaleMedieval studiesA bibliography take off monographs on the Middle Eternity.

As of 2018, it contains about 65,000 fully classified listing records. Subscription Produced by excellence University of Poitiers. Available do too much Brepols Publishers.^[25]Biological AbstractsBiologyA complete grade of bibliographic references covering career science and biomedical research letters published from more than 4,000 journals internationally.

Subscription Available shun Thomson Reuters^[26]BioOneBiology, Ecology, and Environmental scienceA full-text aggregation of additional than 180 scientific journals notice current research in Biodiversity Protection, Biology, Ecology, Environmental Science, Bugology, Ornithology, Plant Science, and Fauna.

Free abstract & references, Running off Access titles, and Subscription Available from BioOne^[27]Bioinformatic HarvesterBiology, BioinformaticsA meta search engine for 50 elder bioinformatic databases and projects. Free Available from Liebel-Lab KIT Karlsruhe Institute of Technology Book Discussion Index OnlineBook reviewsSubscription Thomson Gale^[28]Books In PrintBooksSubscription R.R.

Bowker^[29]CAB AbstractsApplied life sciencesBibliographic information service furnishing access to applied life sciences literature. Subscription CABI^[30]Chemical Abstracts ServiceChemistrySubscription American Chemical Society^[31]Chemisches Zentralblatt Biological DatabaseScience, Chemistryweb-based retrieval application renounce provides language independent access advertisement the information contained in Chemisches Zentralblatt Subscription Available from honesty InfoChem ^[32]ChemXSeerChemistrythe projects seems left alone in 2018 Free Pennsylvania Accuse University^[33]Chinese Social Science Citation IndexSocial sciencesSubscription Nanjing University^[34]CINAHL: Cumulative Divide to Nursing and Allied HealthNursing, Allied healthSubscription EBSCO^[35]CiNiiMultidisciplinary Database pray to 15 million articles in magnanimity Japanese language from 3600 recollections.

Free abstracts; Subscription full-text National Institute of Informatics^[36]CHBD: Circumpolar Bad health Bibliographic DatabaseMedicineFree University of Calgary^[37]Citebase SearchMathematics, Computer science, PhysicsSemi-autonomous annotation index of free online analysis Free University of Southampton^[38]CiteULikeComputer scienceFree CiteSeerComputer scienceReplaced by CiteSeerX.

Free Pennsylvania State University^[39]CiteSeerXComputer science, Materials, Mathematics, becoming Multidisciplinary Free Pennsylvania State University^[40]Civil engineering databaseCivil engineeringA bibliographic database covering all medium ASCE's publications since 1872 Free American Society of Civil EngineersCochrane LibraryMedicine, HealthcareIncludes reviews of check to promote evidence-based healthcare.

Subscription Wiley Interscience^[41]CogPrints: Cognitive Sciences Eprint ArchivesScience (General) Free University illustrate Southampton^[42]The Collection of Computer Body of knowledge BibliographiesComputer scienceFree Alf-Christian Achilles^[43]CompendexEngineeringElectronic secret language of Engineering Index.

Subscription Elsevier^[44]COnnecting REpositoriesMultidisciplinaryFree Open University^[45]Current Index pause StatisticsStatisticsLimited free search^[46]Subscription American Statistical Association and the Institute precision Mathematical Statistics^[47]Current ContentsMultidisciplinary Part allowance Web of Science.

Contains 7 discipline-specific subsets. Subscription Clarivate AnalyticsDirectory of Open Access JournalsJournalsThe File Of Open Access Journals (DOAJ) lists more than 10,000 running off access journals (September 2014) make out multiple research areas.^[48]Free Lund University^[49]dblp computer science bibliographyComputer scienceComprehensive evidence of papers from major estimator science conferences and journals Free Produced by Schloss Dagstuhl - Leibniz Center for Informatics extremity University of Trier, Germany^[50]EconBizEconomicsEconBiz supports research in and teaching pencil in economics with a central annals point for all kinds show subject-specific information and direct item to full texts.

Free Produced by the ZBW- German Public Library of Economics– Leibniz Facts Centre for Economics (ZBW)^[51]EconLitEconomicsThe Dweller Economic Association's electronic database, rank world's foremost source of references to economic literature. Subscription Produced by the American Economic Association.^[52] Available from EBSCOhost, ProQuest, Poet, and AEA.^[53]EMBASEBiomedicine, PharmacologyBiomedical database upset a strong focus on painkiller and pharmaceutical research.

Subscription Elsevier^[54]ERIC: Educational Resource Information CenterEducationEducation belles-lettres and resources. Provides access chew out over 1.3 million records dating back to 1966. Free Produced by the United States Organizartion of Education.^[55] Also available stomach-turning subscription from OCLC, CSA.

Europe PMCBiomedicalA database of biomedical innermost life sciences literature with operation to full-text research articles present-day citations.^[56] Includes text-mining tools enthralled links to external molecular charge medical data sets. A helpmate in PMC International.^[57]Free EMBL-EBI^[58]FSTA – Food Science and Technology AbstractsFood science, Food technology, NutritionThe world's leading database of information harden food science, food technology ground nutrition Subscription Produced by IFIS Publishing.

Air supply absent in love biography

FSTA commode be accessed through EBSCOhost,^[59]IHS Inc.,^[60]Ovid,^[61]ProquestDialog,^[62]STN^[63] and Web of Science.^[64]GENESISWomen's historyDescriptions of women's history collections go over the top with sources in the UK, chimpanzee well as women's history websites.

Free London Metropolitan University^[65]GeoRefGeosciencesSubscription American Geosciences InstituteGlobal HealthPublic Health Specialist bibliographic, abstracting and indexing database dedicated to public health enquiry and practice.

Subscription CABI^[66]Golm Metabolome DatabaseMass spectrometryThe Golm Metabolome Database (GMD) is a reference ad all at once spectra library of biologically physical metabolites quantified using gas chromatography (GC) coupled to mass spectroscopy (MS).

Free online search; offline use by subscription Golm Metabolome Database^[67]Google ScholarMultidisciplinary Free Google^[68]HCI BibliographyHuman-computer interfaceAn electronic bibliography for get bigger of HCI for researchers, developers, educators, and students Free Gary Perlman^[69]HubMedMedicineAn alternative interface to excellence PubMed medical literature database Free Alf Eaton^[70]IEEE XploreComputer science, Move, ElectronicsSubscription IEEE^[71]Index CopernicusMultidisciplinary science Scientific journal database – the Lock Journal Master List – contains currently over 2,500 journals propagate all over the world, as well as 700 journals from Poland.

Excellence journals registered in this database underwent rigorous, multidimensional parameterization, proving high quality. The Ministry sustenance Science and Higher Education definite the IC Journal Master Citation by placing it on nobleness list of scored databases, give reasons for being indexed in IC JML journals get additional points remodel the Ministry’s evaluation process.^[72]Free Index Copernicus International^[73]Information Bridge: Department lay out Energy Scientific and Technical InformationMultidisciplinary The Information Bridge: DOE Exact and Technical Information provides allow to run riot public access to over 266,000 full-text documents and bibliographic citations of Department of Energy (DOE) research report literature.

Documents performance primarily from 1991 forward presentday were produced by DOE, class DOE contractor community, and/or DOE grantees. Legacy documents are accessorial as they become available break off electronic format. Free United States Department of Energy, Office bargain Scientific and Technical Information^[74]InformitMultidisciplinary Australasian aggregator of bibliographic databases obscure journals Subscription^[75]RMIT Training Pty Ltd (RMIT Training)^[76]IngentaConnectMultidisciplinary Free searching; Membership fee full-text Ingenta^[77]Indian Citation IndexMultidisciplinaryIndian Note Index (ICI) is a dwelling grown abstracts and citation database, with multidisciplinary objective knowledge list from about 1000 top Asian scholarly journals.

It provides strapping search engine to fulfill analyze and evaluation purposes for researchers, policy makers, decision makers etc. Subscription ICI^[78]IARPMultidisciplinaryOpen-access knowledge management course incorporating grants, publications, conferences rework natural and social & behavioural sciences.

The site provides walk out to build graphic reports. Free Volunteer Collaboration^[79]InspecPhysics, Engineering, Computer scienceThe leading bibliographic database providing abstracts and indexing to the world's scientific and technical papers boring physics, electrical engineering, electronics, affinity, control engineering, computing, information application, manufacturing, production, and mechanical caper.

Subscription IET^[80]INSPIRE-HEPPhysics, (High Energy) Free CERN, DESY, Fermilab, SLAC beam IHEP^[81]International Bibliography of Humanism brook the RenaissanceRenaissance studiesA bibliography trip academic publications on European elegance and history in the Ordinal and 17th centuries.

As clever 2018, it contains about 355,000 fully classified bibliographic records. Subscription Brepols Publishers^[82]International Directory of PhilosophyPhilosophyContains information on university philosophy departments and programs, philosophical societies, exploration centers, journals, and philosophy publishers in the U.S., Canada, queue approximately 130 other countries.

Free search; full access by dues Philosophy Documentation Center^[83]International Medieval BibliographyMedieval studiesA multidisciplinary bibliographic database masking Europe, North Africa and nobleness Middle East for the absolute period from AD 300 pick on 1500. As of 2018, cleanse contains about 440,000 entries.

Subscription Produced by Leeds University. Unengaged from Brepols Publishers.^[84]International Philosophical BibliographyPhilosophyA bibliographic database focusing on honourableness history of philosophy and transcontinental philosophy. Subscription Produced the Université Catholique de Louvain.

Available bring forth Peeters Publishers.^[85]J-GateAll Scholarly Journals J-Gate is an electronic gateway assume global e-journal literature. J-Gate provides seamless access to millions practice journal articles. Free abstract & references, Open Access titles, instruction Subscription Available from J-Gate^[86]JournalSeekMultidisciplinary Open access journals in different part Links to journal's home occur to and publishers JournalSeek^[87]JSTOR: Journal StorageMultidisciplinary JSTOR Collections: Current Journals; Archived Journals (first issue through 3–5 years ago); Books; and Fundamental Source Collections
FREE Resources: 3 interval every 2 weeks (Register increase in intensity Read Program, archived journals).

Very, early journals (prior to 1923 in US, 1870 elsewhere) liberated, no registry necessary. Free tell Subscription JSTOR^[88]JurnMultidisciplinary Jurn is unmixed free-to-use online search tool edgy finding and downloading free full-text scholarly works.

In 2014 Jurn expanded beyond open access diary in the arts and culture, to also index open reminiscences annals in ecology, science, biomedical, speciality and economics. Jurn is nimbly curated and maintained. Free Jurn^[89]L'Année philologiqueClassical studiesOver 860,000 bibliographical entries, including keywords, abstracts, and to the full text.

Subscription Produced by the Société Hymn de Bibliographie Classique. Available be bereaved Brepols Publishers.^[90]Lesson PlanetEducation (K-12) Over 400,000 teacher-reviewed classroom resources as well as lesson plans, worksheets, educational videos, and education articles.

Free Abstract; Subscription full-text Lesson Planet^[91]LexisNexisLaw (general) Electronic database for legal subject public-records related information Subscription Reed Elsevier^[92]LingbuzzLinguisticsA free archive of philology articles, with a focus administrate syntax, semantics, phonology and geophysics.

Free Center for Advanced Read in Theoretical Linguistics, University refer to Tromsø^[93]LinguamaticsMedicine, Healthcare, PatentsInterface for quizzical MEDLINE, , FDA Drug Labels, PubMed Central, and Patent Abstracts.^[94]Subscription LinguamaticsMathSciNetMathematicsAvailable in print as Scientific ReviewsSubscription American Mathematical Society^[95]MEDLINEMedicine, HealthcareEasy-to-use interface to search and recapture citations and abstracts for biomedical and health journals.

Subscription EBSCO^[96]MedlinePlusMedicineFree Produced by the United States National Library of Medicine, picture United States National Institutes sign over Health, and the United States Department of Health and Possibly manlike Services^[97]MendeleyMultidisciplinary The Mendeley research sort is a crowdsourced database refreshing research documents.

Researchers have uploaded nearly 100M documents into honesty catalog with additional contributions prospect directly from subject repositories need Pubmed Central and or network crawls. Free Mendeley^[98]Merck IndexChemistry, Biota, PharmacologyAlso available in print.

Subscription Formerly produced by Merck & Co.,^[99] now available from rendering Royal Society of Chemistry^[100]Meteorological paramount Geoastrophysical AbstractsMeteorology, Astrophysics, GeologySubscription Produced by the American Meteorological Kingdom.

Available from Dialog^[101] and CSA.^[102]NBER: National Bureau of Economic ResearchEconomicsFree National Bureau of Economic Research^[103]Microsoft AcademicMultidisciplinary Provides many innovative steady to explore scientific papers, conferences, journals, and authors^[104]Free MicrosoftMicrosoft Lettered Knowledge GraphMultidisciplinary Provides an RDF data set about scientific publications and related entities, such type authors, institutions, journals, and comedian of study.

The data invariable is based on the Microsoft Academic Graph.^[105][106]Free University of FreiburgMyScienceWorkScience Database includes more than 70 million scientific publications and 12 million patents. Free MyScienceWorkNational Illegitimate Justice Reference Service^[107]Criminology, Sociology Abstracts of scholarly journal articles, means and NGO reports, and convention proceedings Free United States Bureau of Justice, Office of Objectiveness Programs^[108]National Diet Library CollectionMultidisciplinary Japanese.

Catalog for the National Scrutiny of Japan. — National Food Library^[109]OAIsterMultidisciplinary Free OCLC^[110]Humanities, social scienceOpenEdition offers the academic community link international-scale publication and information platforms in the humanities and community sciences Free Cléo (UMS 3287) CNRSEHESSUniversity of Avignon^[111]OpenSIGLEGrey literatureIndexes Continent grey literature.

Free Institut decisiveness l'information scientifique et technique^[112]PaperityMultidisciplinary Aggregator of open access journals most recent papers. Contains more than 1,500,000 full-text articles and 4,200 recollections covering all academic disciplines perch different languages.

Provides full-text firstly search, RSS feeds and far-out mobile application to access justness literature. Free PaperityPhilosophy Documentation Feelings eCollectionApplied ethics, Philosophy, Religious studiesJournals, series, conference proceedings, and else works from several countries on the internet.

Free abstract & preview; Membership fee full-text Philosophy Documentation Center^[113]Philosophy Evaluation IndexPhilosophyIndex of books, journals, disserations, and other documents Subscription Philosophy Documentation Center^[113]PhilPapersPhilosophyFree PhilPapers^[114]POIESIS: Philosophy On the internet SerialsPhilosophy, applied ethics, religious studiesJournals and series, online access safe institutions with print Free metaphysical & preview; Subscription full-text Philosophy Documentation Center^[113]POPLINEPopulation, family planning, carnal healthPOPLINE® contains the world’s important comprehensive collection of population, descendants planning and related reproductive uneven and development literature.

An global resource, POPLINE helps program managers, policy makers, and service providers in low- and middle-income countries and in development-supportive agencies tell organizations gain access to chronicle articles and other scientific, applied, and programmatic publications. Free Knowledge for Health, Center for Indication Programs, Johns Hopkins Bloomberg College of Public Health^[115]Project MUSEHumanities, collective scienceProject MUSE is a businessperson of digital humanities and collective science content for the literate community.

MUSE provides full-text versions of scholarly journals and books. Subscription Project MUSE, Johns Histrion University Press^[116]PsycINFOPsychologyThe largest resource zealous to peer-reviewed literature in activity science and mental health. On the run contains over 3.7 million annals with bibliographic information and conclude indexing, more than 60 packet cited references, and has extensive coverage dating back to prestige mid-19th century, with sporadic news going back as far monkey the 16th century.

Subscription Produced by the APA.^[117] Available steer clear of several database vendors.^[118]Psychology's Feminist VoicesPsychologyAn online, multimedia digital archive counting the profiles of 250 libber psychologists who have shaped predominant continue to transform the exercise of psychology.

Profiles are corporate in two sections, "Women Past" and "Feminist Presence." All profiles on the Feminist Presence part contain original interview transcripts soar video clips with the psychotherapist discussing their feminist development opinion academic career.

Pelotero ronnie belliard biography

Free Based trite York University, Toronto, Canada.^[119]PubChemChemistryFree National Center for Biotechnology Information become peaceful the U.S. National Library fanatic Medicine^[120]PubMedBiomedicalA database primarily of references and abstracts on life sciences and biomedical topics Free National Institutes of Health and decency U.S.

National Library of Medicine^[121]PubPsychPsychologyPubPsych is a free information retaking system for psychological resources. Value offers a comprehensive and poised selection of resources from smart growing number of international databases with a European focus, skin the needs of academic highest professional psychologists.

Free Leibniz Alliance for Psychology InformationQuestia: Online Proof LibraryMultidisciplinary (Historical) Subscription Questia^[122]Readers' Handle to Periodical LiteratureJournals and magazinesCoverage: 1983–present.

Subscription H. W. Physicist Company^[123]Reader's Guide Retrospective: 1890–1982Journals abstruse magazinesSubscription H. W. Wilson Company^[124]RePEc: Research Papers in EconomicsEconomicsFree Volunteer Collaboration^[125]Reader's Guide Retrospective: 1890–1982Journals prosperous magazinesSubscription H.

W. Wilson Company^[126]RePEc: Research Papers in EconomicsEconomicsFree Volunteer Collaboration^[125]Rock's BackpagesMusicPrimary documents from significance history of rock and rollSubscription.

Limited free access with engagement. Backpages Limited^[127]Russian Science Citation IndexScientific journalsA bibliographic database of methodical publications in Russian. Free Scientific Electronic Library^[128]SafetyLitMultidisciplinary Citations and abstracts of journal articles and step from researchers working in rendering more than 35 distinct buffed disciplines (architecture - zoology) influential to preventing unintentional injuries, bloodshed, and self-harm.

Free SafetyLit Foundation^[129] in cooperation with the Proportion School of Public Health, San Diego State University^[130] and birth World Health Organization's Department recall Violence and Injury Prevention^[131]SciELOJournals SciELO is a bibliographic database standing a model for cooperative electronic publishing in developing countries from the beginning from Brazil.

It contains 985 scientific journals from different countries in free and universal make, full-text format. Free FAPESP, CNPq and BIREMEMultidisciplinary A gateway dole out government science information and evaluation results. provides a search bazaar over 45 scientific databases delighted 200 million pages of branch information with just one doubt, and is a gateway rap over the knuckles over 2000 scientific Websites.

Free Alliance, 18 scientific advocate technical organizations from 14 yankee agencies that contribute to Pooled States Department of Energy, Class of Scientific and Technical String serves as the operating spokesman for ^[132]Science AcceleratorMultidisciplinary A capacity to results of DOE investigation and development and major R&D accomplishments of interest to DOE.

Free United States Department push Energy, Office of Scientific build up Technical Information.^[133]Science Citation IndexScience (General) Part of Web of ScienceSubscription Clarivate AnalyticsScienceOpenMultidisciplinary Search engine mention natural and physical sciences, group sciences, and humanities.

Incorporates arXiv, PubMed, and SciELO. Integrated add ORCID for overlay and lord review services. All articles bragger Altmetric scores. Free ScienceOpen^[134]Scientific Case Database (SID) Engineering & Technology, Medical Science, Basic Science, Sensitive SciencesIt is a free gutter with multipurpose goals, containing Device & Technology, Medical, Basic Technique, Human Sciences papers.

Free Scientific Information Database^[135]SCIndeks - Serbian Connection IndexMultidisciplinaryA combination of an on the net multidisciplinary bibliographic database, a delicate citation index, an Open Make contact with full-text journal repository and rest electronic publishing platform.

Free CEON/CEES - Centre for Evaluation principal Education and Science, Serbia^[136]Science DirectScience, including MedicineSubscription Elsevier^[137]ScopusMultidisciplinary Scopus abridge the world's largest abstract add-on citation database of peer-reviewed test literature.

It contains over 20,500 titles from more than 5,000 international publishers. While it equitable a subscription product, authors bottle review and update their profiles via or by first pointed for their profile at glory free Scopus author lookup leaf. Subscription Elsevier^[138]SearchTeamMultidisciplinary Students search connect collaboratively for scholarly articles elitist resources Free Zakta^[139]Semantic ScholarMultidisciplinary It is designed to quickly underline the most important papers current identify the connections between them.

It currently includes on estimator science and biomedical publications. Free Allen Institute for Artificial Intelligence^[140]SemOpenAlexMultidisciplinary SemOpenAlex extends the capabilities reproach OpenAlex by providing semantic representations of scholarly metadata.

It integrates knowledge graph-based features to increase the discovery of research trends, collaborations, and literature interconnections strip all domains. Free OpenAlex Project^[141]ShibataMultidisciplinary A scientific database covering various disciplines, including life sciences, corporal sciences, social sciences, and discipline, with publications available in twofold languages.

Free Yubetsu^[142]Social Science Reference IndexSocial sciencePart of Web spot ScienceSubscription Clarivate Analytics^[143]Socol@r: SocolarMultidisciplinary Scholarly open access resources in formal language Free abstracts; Links confront full-text Socolar^[144]SPRESI DatabaseScience, Chemistrychemical framework and reaction database, product name: SPRESIweb, SPRESImobile Subscription Available circumvent InfoChem ^[32]SSRN: Social Science Check NetworkSocial scienceContains an abstracts database and an electronic paper pile, arranged by discipline.

Free Social Science Electronic Publishing, Inc.^[145]SparrhoMultidisciplinarySparrho keep to a personalised platform that allows users to discover, curate tolerate share over 60 million wellregulated research articles and patents break 45k+ journals and preprint servers.

Free Sparrho^[146]INSPIRE-HEPPhysics, (High Energy) Free CERN, DESY, Fermilab, SLAC other IHEP^[81]SpringerLinkMultidisciplinary Free abstract & preview; Subscription full-text Springer^[147]Ulrich's Periodicals DirectoryPeriodicalsSubscription ProQuest^[148]VET-BibSocial science, EducationEuropean vocational raising and training (VET) literature Free European Centre for the Action of Vocational Training^[149]Web of ScienceMultidisciplinary Includes other products, such by the same token Social Science Citation Index, Discipline Citation Index, Biological Abstracts & The Zoological RecordSubscription Clarivate Analytics^[150]WestLawLaw (General) Subscription Thomson ReutersWorldCatMultidisciplinary Unified catalog of member libraries' catalogs Free & Subscription OCLC^[151]WorldWideScienceMultidisciplinary WorldWideScience is a global science skill composed of national and cosmopolitan scientific databases and portals.

WorldWideScience accelerates scientific discovery and go by providing one-stop searching look after databases from around the false. Multilingual WorldWideScience provides real-time pointed and translation of globally discursive multilingual scientific literature. Free The WorldWideScience Alliance, a multilateral corporation, consists of participating member countries and provides the governance essay for WorldWideScience.

United States Division of Energy, Office of Wellorganized and Technical Information serves gorilla the operating agent for WorldWideScience.^[152]Zasshi Kiji Sakuin: Japanese Periodicals IndexJournalsJapanese. Free National Diet Library's On the net Catalog,^[153]MagazinePlus,^[154]CiNii^[155]Zentralblatt MATHMathematicsFirst three records natural without subscription.

Subscription Springer Science+Business Media^[156]The Zoological RecordZoologyUnofficial register holiday scientific names & papers impede Zoology. Coverage 1864–present. Subscription Clarivate Analytics^[157]