Academic Search Complete (32,516)
Complementary Index (31,785)
Science Citation Index Expanded (28,284)
OAIster (23,739)
Supplemental Index (21,159)
Gale Academic OneFile (11,673)
USPTO Patent Grants (10,387)
ClinicalKey (10,165)
Journals@OVID (8,895)
Directory of Open Access Journals (7,371)
ScienceDirect (7,089)
Gale General OneFile (7,065)
MEDLINE (6,598)
Springer Nature Journals (6,294)
Scopus® (5,844)
MathSciNet via EBSCOhost (5,577)
JSTOR Journals (3,997)
Social Sciences Citation Index (3,374)
Education Source (2,882)
eScholarship (2,879)
Business Source Complete (2,472)
arXiv (2,005)
SwePub (1,705)
Regional Business News (1,456)
USPTO Patent Applications (1,331)
ERIC (1,308)
ProjectMUSE (1,222)
RePEc (1,128)
Europeana (728)
IEEE Xplore Digital Library (675)
BioOne Complete (586)
Arts & Humanities Citation Index (540)
Research Starters (529)
De Gruyter Online (520)
NASA Technical Reports (431)
British Library EThOS (427)
BrillOnline Reference Works (394)
Digital Access to Scholarship at Harvard (DASH) (374)
Library, Information Science & Technology Abstracts (363)
MLA International Bibliography (347)
Wiley Online Reference Works (345)
RISS - DDOD (Digital Dissertations On Demand) (286)
HeinOnline (272)
Communication & Mass Media Complete (265)
Naxos Music Library (229)
APA PsycArticles (198)
ACM Full-Text Collection (182)
GeoScienceWorld (175)
SciTech Connect (135)
Oxford Scholarship Online (122)
Oxford Reference (115)
GOBI E-books (105)
Emerald Insight (83)
J-STAGE (67)
Airiti Library eBooks & Journals - 華藝線上圖書館 (54)
ClinicalTrials.gov (52)
Korea Citation Index (52)
China Online Journals (Wanfang) (51)
Cochrane Database of Systematic Reviews (43)
ASTM Compass (39)
Artstor on JSTOR (For institutions outside of the US) (32)
CINAHL Plus with Full Text (31)
SciELO (30)
Alexander Street (28)
Westlaw UK (25)
JoVE Journal (24)
Aerospace Research Central (23)
Oxford Medicine Online (22)
Wiley Digital Archives (21)
F1000Research (21)
Newswires (21)
DBPIA (18)
SSOAR – Social Science Open Access Repository (17)
Korean Studies Information Service System (16)
Oxford Art Online (15)
AccessScience (13)
KERIS Theses & Dissertations (13)
University Press Scholarship Online (13)
Persée (12)
AccessEngineering (11)
Accessible Archives (11)
ASM Medical Materials Database (10)
Choice Reviews (10)
SveMed+ (7)
Canadiana Online (5)
스콜라(Scholar) (5)
ICPSR Data Archive (5)
OAPEN Library (5)
McGraw-Hill Medical (3)
Oxford Clinical Psychology (3)
Grove Music Online (3)
TDX (3)
Academic Conferences in China (Wanfang) (3)
Britannica Online (2)
E-LIS (Eprints in Library & Information Science) (1)
ERICdata Higher Education Knowledge (1)
CogPrints (1)
eArticle (1)
BMJ Best Practice US (1)