OAIster (145,581)
Gale General OneFile (45,250)
Scopus® (40,908)
Regional Business News (25,998)
Gale Academic OneFile (24,345)
Complementary Index (22,375)
MEDLINE (21,335)
Academic Search Complete (18,607)
Science Citation Index Expanded (16,527)
Supplemental Index (13,231)
Business Source Complete (6,608)
Europeana (5,050)
ProjectMUSE (5,014)
Directory of Open Access Journals (4,245)
Education Source (4,025)
Social Sciences Citation Index (3,764)
China Online Journals (Wanfang) (3,251)
ScienceDirect (3,110)
BrillOnline Reference Works (3,052)
Springer Nature Journals (2,730)
IEEE Xplore Digital Library (2,711)
Journals@OVID (2,292)
MathSciNet via EBSCOhost (2,061)
Research Starters (2,018)
ERIC (1,557)
arXiv (1,517)
Library, Information Science & Technology Abstracts (1,500)
Naxos Music Library (1,209)
JSTOR Journals (966)
RePEc (960)
Arts & Humanities Citation Index (850)
HeinOnline (769)
MLA International Bibliography (709)
SwePub (700)
ClinicalTrials.gov (604)
eScholarship (571)
GOBI E-books (508)
Communication & Mass Media Complete (504)
Oxford Scholarship Online (486)
DBPIA (461)
USPTO Patent Grants (415)
CINAHL Plus with Full Text (367)
ACM Full-Text Collection (289)
De Gruyter Online (272)
Korean Studies Information Service System (253)
TDX (245)
KERIS Theses & Dissertations (218)
Korea Citation Index (201)
Alexander Street (199)
Emerald Insight (195)
Airiti Library eBooks & Journals - 華藝線上圖書館 (185)
APA PsycArticles (150)
J-STAGE (147)
Artstor on JSTOR (For institutions outside of the US) (141)
Oxford Reference (101)
University Press Scholarship Online (96)
SciTech Connect (93)
RISS - DDOD (Digital Dissertations On Demand) (85)
스콜라(Scholar) (81)
USPTO Patent Applications (80)
BioOne Complete (80)
AccessScience (80)
AccessEngineering (79)
NASA Technical Reports (73)
Newswires (70)
Westlaw UK (68)
eArticle (65)
SveMed+ (56)
ASTM Compass (54)
British Library EThOS (52)
GeoScienceWorld (48)
Oxford Medicine Online (43)
Choice Reviews (35)
Digital Access to Scholarship at Harvard (DASH) (33)
JoVE Science Education Database (32)
Oxford Clinical Psychology (31)
JoVE Lab Manual (29)
Wiley Online Reference Works (28)
Accessible Archives (23)
Grove Music Online (18)
SciELO (17)
McGraw-Hill Medical (17)
OAPEN Library (15)
SSOAR – Social Science Open Access Repository (14)
E-LIS (Eprints in Library & Information Science) (13)
Persée (12)
ICPSR Data Archive (9)
JoVE Journal (8)
ERICdata Higher Education Knowledge (8)
Academic Conferences in China (Wanfang) (7)
Oxford Art Online (6)
F1000Research (5)
JoVE Core (4)
Canadiana Online (3)
Aerospace Research Central (3)
SMART Imagebase (2)
Cochrane Database of Systematic Reviews (2)
Economist Historical Archive (2)
European Union Open Data Portal (1)
Britannica Online (1)
SpringerMaterials (1)
ASM Medical Materials Database (1)