Journal Indexing Databases and Search Engines

An index is a list of elements that are put together for a purpose. Journal indexes (also called bibliographic indexes or bibliographic databases) are journal lists organized by discipline, subject or publication type.

Journals included in a index are considered to be of better quality than non-journals. This is because journals must go through a review process to be included or indexed in reputable bibliographic databases.

Indexing is a criterion to be taken into account when choosing a journal to be published, together with the referee evaluation status and the journal effect.

Journal Indexing Databases and Search Engines

Name Discipline(s) Description Access cost
Academic Search[3] Multidisciplinary Several versions: Complete, Elite, Premier, and Alumni Edition Subscription
Aerospace & High Technology Database Aerospace, Aeronautics, Astronautics Provides indexing and abstracts from current serial and non-serial titles, including content from AIAA and NASA Subscription
African Journals OnLine (AJOL)[4] Multidisciplinary Scholarly journals published in Africa Free & Subscription
AgeLine[3] Sociology, Gerontology Includes information on aging-related topics, including economics, public health and policy Subscription
AGRICOLA: Agricultural Online Access[5] Agriculture Provides public access to information on agriculture and allied fields (17th century – present) Free & Subscription
AGRIS: Agricultural database[6] Agriculture Covers agriculture, forestry, animal husbandry, aquatic sciences and fisheries, human nutrition, extension literature from over 100 countries. Indexes unpublished scientific and technical reports, theses, conference papers, government publications. Free
Airiti Multidisciplinary Chinese e-content provider of Chinese academic e-journals, Taiwanese academic e-journals, classical art images Subscription
Analytical Abstracts[7] Chemistry Selection of analytical chemistry articles published by the Royal Society of Chemistry (around 100 journals) Subscription
Analytical sciences digital library[8] Analytical chemistry A collection of peer-reviewed electronic resources on chemical measurements and instrumentation Free
Anthropological Index Online[9] Anthropology Indexes only (no abstracts or full-text) the anthropology journals received by The Anthropology Library at The British Museum Free & Subscription
Anthropological Literature[10] Anthropology, Archaeology An index of journals primarily from Tozzer Library, as well as other open-access journals (660 journals with more than 670,000 articles) Free & Subscription
Arachne[11] Archaeology, Art history 2.4 million digital images from archive material, 1 million of books, 40,000 high quality scans of ancient sculptures, 300 volumes of ancient books with more than 60,000 pages Free
ArchiveGrid Multidisciplinary Directory of archival materials from American and international institutions, including over five million records Free
AMiner[12] Computer Science Online service used to index and search academic social networks Free
Arts & Humanities Citation Index[13] Arts, Humanities Part of Web of Science. 1,800 journals across 28 arts & humanities disciplines. Records back from 1975 to present. Subscription
ASCE Library Civil Engineering All civil engineering disciplines including structural engineering, geotechnical engineering, transportation engineering, construction engineering, environmental engineering, engineering mechanics, sustainability, water resources, irrigation. hydraulics, hydrology, waterways, urban planning, cold regions … Free & Subscription
Association for Computing Machinery Digital Library Computer Science, Engineering Collection of all ACM publications, including journals, conference proceedings, technical magazines, newsletters and books Subscription
Astrophysics Data System[14] Astrophysics, Geophysics, Physics Publications in Astronomy and Astrophysics, Physics, and the arXiv e-prints Free
ATLA Religion Database[15] Religious studies Provides information on topics such as biblical studies, world religions, church history, and religion in social issues Subscription
AULIMP: Air University Library’s Index to Military Periodicals Military Science The articles, news items, book reviews and editorials from 63 English language military and aeronautical periodicals Free
BASE: Bielefeld Academic Search Engine[16] Multidisciplinary Metadata for 260 million documents from more than 8,000 content providers Free
Bibliographie de civilisation médiévale Medieval studies A bibliography of monographs on the Middle Ages. As of 2018, it contains about 65,000 fully classified bibliographic records. Subscription
Biological Abstracts[17] Biology Biomedical research literature published from more than 4,000 journals internationally. Subscription
BioOne Biology, Ecology, Environmental Science Full-text from >180 scientific journals in Biodiversity Conservation, Biology, Ecology, Environmental Science, Entomology, Ornithology, Plant Science, and Zoology. Free & Subscription
Book Review Index Online Book reviews Reviews of periodicals and books – including those on tape and electronic media Subscription
Books In Print Books Reviews covering over 2.5 million titles Subscription
CAB Abstracts Applied life sciences Bibliographic information service providing access to applied life sciences literature. Subscription
Chemical Abstracts Service Chemistry Approximately 8,000 journals, technical reports, dissertations, conference proceedings, and new books Subscription
Chinese Social Science Citation Index[18] Social sciences Covers about 500 Chinese academic journals of humanities and social sciences Subscription
CINAHL: Cumulative Index to Nursing and Allied Health[19] Nursing, Allied Health Journal articles about nursing, allied health, biomedicine and healthcare. Covers 5,500 journals (English and other language). Subscription
CiNii[20] Multidisciplinary Database of articles in the Japanese language from 3600 journals Free & Subscription
CHBD: Circumpolar Health Bibliographic Database[21] Medicine Contains records describing publications about all aspects of human health in the circumpolar region Free
CiteSeerX[22] Multidisciplinary Replaced CiteSeer, and ChemXSeer. Mainly Computer science, Statistics, Mathematics. Free
Civil engineering database Civil engineering A bibliographic database covering all of ASCE’s publications since 1872 Free
Cochrane Library Medicine, Healthcare Includes reviews of research to promote evidence-based healthcare. Subscription
CORE[23] Multidisciplinary A full text aggregator of all open access papers from repositories (institutional, subject, preprints, etc.) and journals. Around 20 million monthly active users. Free
Crossref[24] Multidisciplinary An official Digital Object Identifier (DOI) Registration Agency of the International DOI Foundation. Metadata about publications, datasets, grants, preprints from 17,633 members (journals, publishers, etc.) Free
Current Contents Multidisciplinary Part of Web of Science. Contains 7 discipline-specific subsets. Subscription
DeepDyve Multidisciplinary Commercial website that sells access to scientific and scholarly articles from a large range of academic publishers (over 1700 journals). Limited free access. Free & Subscription
Dimensions[25] Multidisciplinary Publications, books and book chapters, preprints and conference proceedings (linked to data sets, funding, publications, patents, clinical trials, and policy documents). Based on CrossRef. Contains citation-based indicators and Altmetric attention scores. Free & Subscription
Directory of Open Access Journals[26] Multidisciplinary Articles from 15,000 open access journals (Dec 2020) Free
DBLP[27] Computer science Comprehensive list of papers from major computer science conferences and journals Free
EconBiz[28] Economics Covers journals, working papers & conferences in business studies and economics Free
EconLit[29] Economics Covers articles and other materials dating back to 1969 Subscription
Ei Compendex Engineering Electronic version of Engineering Index Subscription
EMBASE[30] Biomedicine, Pharmacology Biomedical database with a focus on drug and pharmaceutical research. Rrecords from over 8,500 journals (1947–present). Subscription
ERIC: Educational Resource Information Center[31] Education Education literature and resources dating back to 1966. Free & Subscription
Europe PMC[32] Biomedical Abstracts & full text ( 6.5 million) biomedical and life sciences articles (Dec 2020). Includes text mining tools and links to external molecular and medical data sets. Free
FSTA – Food Science and Technology Abstracts Food science, Food technology, Nutrition The database of information on food science, food technology and nutrition Subscription
GeoRef[33] Geosciences Records from 3,500 journals in 40 languages Subscription
Global Health[34] Public Health Specialist abstracting and indexing database dedicated to public health research and practice. Contains scientific records from 1973 to the present. Subscription
Google Scholar[1] Multidisciplinary The biggest academic database & search engine (over 390 million records, unofficial estimate) Free
HAL Multidisciplinary An open-access database for French researchers. Organized into institution and domain portals. Free
IEEE Xplore Computer Science, Engineering, Electronics Over 5 million records. Subscription
Index Copernicus[36] Multidisciplinary Contains over 2,500 journals (including 700 journals from Poland). Free
Information Bridge: Department of Energy Scientific and Technical Information Multidisciplinary Provides free public access to over 266,000 full-text documents and bibliographic citations of Department of Energy (DOE) research report literature. Documents are primarily from 1991 forward. Free
Informit Multidisciplinary Australasian aggregator of bibliographic databases and journals Subscription
IngentaConnect Multidisciplinary Covers articles from 13,000 journals Free & Subscription
Indian Citation Index[37] Multidisciplinary Covers articles from 1100+ journals from India from scientific, technical, medical, and social sciences Subscription
IARP[38] Multidisciplinary Open-access knowledge management system incorporating grants, publications, conferences in natural and social & behavioral sciences Free
Inspec Physics, Engineering, Computer Science Contains records in physics, electrical engineering, electronics, communications, control engineering, information technology, manufacturing, production, and mechanical engineering. Subscription
INSPIRE-HEP Physics, (High Energy) An open access digital library for the field of high energy physics (HEP) (operates since the 1970s) Free
International Directory of Philosophy Philosophy Contains information on university philosophy departments and programs, philosophical societies, research centers, journals, and philosophy publishers in the U.S., Canada, and approximately 130 other countries. Free & Subscription
International Medieval Bibliography[39] Medieval studies A multidisciplinary bibliographic database covering Europe, North Africa and the Middle East for the entire period from AD 300 to 1500 Subscription
International Nuclear Information System (INIS)[40] Nuclear Physics, Nuclear Energy, Medical Physics A leading bibliographic and grey literature repository covering all areas of nuclear science and technology. Free
International Philosophical Bibliography Philosophy Focus on the history of philosophy and continental philosophy. Subscription
Internet Archive Scholar Multidisciplinary Focus on fulltext search of open access journals and conference proceedings Free
J-Gate[41] Multidisciplinary J-Gate is an electronic gateway to global e-journal literature (articles from 58,000 journals) Free & Subscription
JournalSeek Multidisciplinary Catalogues over 39,000 journals’ information (the description, aims, scope, journal abbreviation, journal homepage link, subject category and ISSN). Free & Subscription
JSTOR: Journal Storage Multidisciplinary Journal articles, books, and primary sources in 75 disciplines (1870–present) Free & Subscription
Jurn Multidisciplinary Index property and open access journals in the arts, humanities, ecology, science, biomedical, business and economics. Free
L’Année philologique Classical studies Over 860,000 bibliographical entries, including keywords, abstracts, and links to the full text. Subscription
LexisNexis Law Electronic database for legal and public-records related information Subscription
The Lens[42] Multidisciplinary Serves global patent and scholarly knowledge as a public good to inform science and technology enabled problem solving. Free & Subscription
Lingbuzz Linguistics A free archive of linguistics articles, with a focus on syntax, semantics, phonology and morphology Free
Linguamatics Medicine, Healthcare, Patents Interface for searching MEDLINE,, FDA Drug Labels, PubMed Central, and Patent Abstracts. Subscription
Logeion Classical Studies An open-access database of Latin and Ancient Greek dictionaries Free
MathSciNet Mathematics Records from 650 math journals (early 1800–present) Subscription
MEDLINE Medicine, Healthcare Easy-to-use interface to search and retrieve citations and abstracts from 5,200 journals via MeSH vocabulary Free
Mendeley[43] Multidisciplinary Crowdsourced database of research documents. Over 100M documents uploaded by the researchers plus data from repositories (e.g. PubMed and arXiv) Free & Subscription
Microsoft Academic[44] Multidisciplinary Covers publications from over 49,000 journals Free
MyScienceWork Multidisciplinary Database includes more than 90 million scientific publications and 12 million patents. Free
National Criminal Justice Reference Service Criminology, Sociology Abstracts of scholarly journal articles, agency and NGO reports, audiovisual products, and conference proceedings. Free
National Diet Library Collection Multidisciplinary Japanese. Catalog for the National Library of Japan. Free
OAIster[45] Multidisciplinary Covers records contributed by over 1,500 organizations Free Humanities, social science Offers four international-scale publication and information platforms in the humanities and social sciences (10661 books, 549 journals, 3793 blogs, 45591 events). Free
OpenGray Grey literature Indexes European grey literature Free
ORCID[46] Multidisciplinary An open and independent registry for contributor identification in research and academic publishing. List: biography, education, employment, works, grants, peer-review. Over 9.3 million profiles. Free
Paperity[47] Multidisciplinary Aggregator of open access journals and papers (>15,000 journals) Free
Philosophy Documentation Center eCollection Applied ethics, Philosophy, Religious studies Journals, series, conference proceedings, and other works from several countries online Free & Subscription
Philosophy Research Index Philosophy Index of books, journals, disserations, and other documents Subscription
PhilPapers Philosophy Index journals, books, open access archives, and personal pages maintained by academics Free
POIESIS: Philosophy Online Serials Philosophy, applied ethics, religious studies Journals and series, online access for institutions with print Free & Subscription
Project MUSE Humanities, social science MUSE’s online journal collections are available on a subscription basis to academic, public, special, and school libraries. More than 2,500 libraries worldwide subscribe. Subscription
PsycINFO Psychology Focus at behavioral science and mental health. Coverage 1887–present. Subscription
PubMed[48] Biomedical, life sciences A database primarily of references and abstracts on life sciences and biomedical topics. Includes MEDLINE, PubMed Central, and Bookshelf. Free
PubMed Central (PMC)[49] Biomedical, life sciences Free full-text archive of publications and preprints Free
Publons[50] Multidisciplinary Service for academics to track their peer review and editorial contributions for academic journals. Merged with ResearcherID Free
PubPsych Psychology Datasets and offers, where available, full-text linking, links to additional information and link resolving Free
Readers’ Guide to Periodical Literature Literature Reference guide to articles in >470 periodical magazines and journals, organized by article subject (1890 to present) Subscription
RePEc: Research Papers in Economics[51] Economics Working papers, journal articles, books, books chapters and software components (including 1.2 million full-text articles) Free
ResearchGate Multidisciplinary Commercial social networking site for scientists and researchers. Over 19 million registered users that share their articles, datasets and other research output. Free
Rock’s Backpages[52] Music Primary documents from the history of rock and roll. Articles, including interviews, features and reviews, which covered popular music from blues and soul Free & Subscription
Russian Science Citation Index Multidisciplinary A bibliographic database of scientific publications in Russian Free
SafetyLit Multidisciplinary >35 distinct professional disciplines (architecturezoology) relevant to preventing unintentional injuries, violence, and self-harm Free
SciELO Multidisciplinary Database and a model for cooperative electronic publishing in developing countries (mostly South America and Africa). Indexes >1700 journals. Free Multidisciplinary A gateway to government science information and research results from over 60 databases, over 2,200 websites, and over 200 million pages. Free
Science Citation Index[53] Multidisciplinary Part of Web of Science. 24,000+ journals across 254 subject disciplines. Subscription
ScienceOpen Multidisciplinary Natural and physical sciences, social sciences, and humanities. Incorporates arXiv, PubMed, and SciELO. Integrated with ORCID Altmetric uids. Articles from >25,000 journals. Free
Scientific Information Database (SID) Engineering & Technology, Medical Science, Basic Science, Human Sciences An Iranian index of academic journals and access to full text or metadata Free
SCIndeks – Serbian Citation Index Multidisciplinary A bibliographic database, a national citation index, an Open Access full-text journal repository and an electronic publishing platform. Articles from >230 journals. Free
Science Direct Science including Medicine Content from more than 4,000 academic journals and 30,000 e-books Subscription
Scopus[54] Multidisciplinary Records from over 20,500 titles from over 5,000 international publishers Subscription
SearchTeam Multidisciplinary Search together collaboratively for scholarly articles and resources Subscription
Semantic Scholar Multidisciplinary Mostly computer science and biomedical publications. Powered by semantic analysis. Free
SNAC (Social Networks and Archival Contexts) Multidisciplinary Directory of archival materials grouped by subject entity Free
Social Science Citation Index Social science Part of Web of Science Subscription
Socolar Multidisciplinary Scholarly open access resources in different language (mainly Chinese) Free & Subscription
SSRN: Social Science Research Network Social science Research papers from more than 55 disciplines Free & Subscription
Sparrho Multidisciplinary Research articles and patents from 45k+ journals and preprint servers. Uses content recommendation concept. Subscription
SpringerLink Multidisciplinary Journals, books, series, protocols, reference works and proceedings Free & Subscription
Unpaywall[55] Multidisciplinary Harvest Open Access content from over 50,000 publishers and repositories Free
Ulrich’s Periodicals Directory Multidisciplinary Provides serials for periodicals Subscription
VET-Bib Social Science, Education European vocational education and training (VET) literature Free
Web of Science[54] Multidisciplinary Includes other products, such as Social Science Citation Index, Science Citation Index, Biological Abstracts & The Zoological Record Subscription
WestLaw Law Over 40,000 databases of case law, state and federal statutes, administrative codes, newspaper and magazine articles, public records, law journals, law reviews, treatises, legal forms and other information resources Subscription
WorldCat[56] Multidisciplinary Unified catalog of member libraries’ catalogs Free & Subscription
WorldWideScience Multidisciplinary A union catalog that itemizes the collections of 17,900 libraries in 123 countries Free & Subscription
Zasshi Kiji Sakuin: Japanese Periodicals Index Multidisciplinary Scholarly articles in Japanese Free & Subscription
Zentralblatt MATH Mathematics Mainly reviews and abstracts. Free
The Zoological Record Zoology Unofficial register of scientific names & papers in zoology. Coverage 1864–present. Subscription
DiVA (open archive) Multidisciplinary Mainly used by Swedish universities and research institutions. Free



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