Scopus® (293,066)
Science Citation Index Expanded (185,092)
Complementary Index (156,614)
Academic Search Complete (109,905)
MEDLINE (108,981)
Gale Academic OneFile (99,766)
Gale General OneFile (82,355)
Supplemental Index (74,690)
ScienceDirect (49,130)
Directory of Open Access Journals (37,715)
OAIster (33,490)
Springer Nature Journals (33,366)
IEEE Xplore Digital Library (21,885)
Business Source Complete (17,657)
Journals@OVID (11,376)
Social Sciences Citation Index (10,412)
MathSciNet via EBSCOhost (8,001)
RePEc (7,734)
arXiv (7,522)
JSTOR Journals (6,782)
Regional Business News (6,169)
USPTO Patent Grants (5,373)
Education Source (3,743)
SwePub (3,563)
USPTO Patent Applications (2,379)
GOBI E-books (2,349)
eScholarship (2,340)
De Gruyter Online (2,233)
Emerald Insight (1,461)
Korea Citation Index (1,457)
ACM Full-Text Collection (1,296)
HeinOnline (1,211)
MLA International Bibliography (1,194)
Library, Information Science & Technology Abstracts (1,163)
ERIC (1,052)
J-STAGE (923)
SciTech Connect (801)
Europeana (758)
ProjectMUSE (714)
Communication & Mass Media Complete (703)
Airiti Library eBooks & Journals - 華藝線上圖書館 (617)
China Online Journals (Wanfang) (600)
Arts & Humanities Citation Index (599)
NASA Technical Reports (564)
British Library EThOS (436)
DBPIA (390)
Korean Studies Information Service System (320)
BioOne Complete (307)
Oxford Scholarship Online (290)
Westlaw UK (269)
스콜라(Scholar) (262)
SciELO (238)
CINAHL Plus with Full Text (233)
eArticle (206)
ClinicalTrials.gov (203)
GeoScienceWorld (186)
RISS - DDOD (Digital Dissertations On Demand) (182)
Digital Access to Scholarship at Harvard (DASH) (177)
Oxford Medicine Online (165)
Research Starters (141)
Newswires (137)
Aerospace Research Central (132)
BrillOnline Reference Works (121)
Alexander Street (120)
McGraw-Hill Medical (97)
F1000Research (93)
APA PsycArticles (85)
Wiley Online Reference Works (82)
ASTM Compass (73)
KERIS Theses & Dissertations (60)
Oxford Reference (57)
JoVE Journal (53)
Cochrane Database of Systematic Reviews (48)
University Press Scholarship Online (43)
CogPrints (41)
ASM Medical Materials Database (36)
TDX (28)
Choice Reviews (25)
SveMed+ (23)
Academic Conferences in China (Wanfang) (21)
Persée (17)
E-LIS (Eprints in Library & Information Science) (16)
SSOAR – Social Science Open Access Repository (15)
OAPEN Library (13)
SpringerMaterials (12)
Artstor on JSTOR (For institutions outside of the US) (10)
Wiley Digital Archives (9)
Britannica Online (8)
Oxford Art Online (7)
AccessScience (6)
AccessEngineering (6)
Economist Historical Archive (5)
BMJ Best Practice US (5)
Naxos Music Library (4)
ERICdata Higher Education Knowledge (4)
Oxfam Policy & Practice (4)
OECD iLibrary (4)
MLA Directory of Periodicals (4)
Grove Music Online (3)
agriRxiv (2)
Oxford Clinical Psychology (1)
JoVE Science Education Database (1)