Scopus® (161,304)
MEDLINE (60,877)
Academic Search Complete (24,014)
Science Citation Index Expanded (20,622)
Complementary Index (18,940)
China Online Journals (Wanfang) (16,062)
OAIster (12,288)
Gale Academic OneFile (7,351)
Directory of Open Access Journals (6,223)
IEEE Xplore Digital Library (5,411)
Springer Nature Journals (5,379)
ScienceDirect (4,853)
Gale General OneFile (4,636)
USPTO Patent Grants (3,910)
Arts & Humanities Citation Index (2,889)
MathSciNet via EBSCOhost (2,808)
arXiv (2,740)
Supplemental Index (2,653)
Journals@OVID (1,924)
Social Sciences Citation Index (1,720)
ClinicalKey (1,716)
Business Source Complete (1,171)
SwePub (1,045)
ProjectMUSE (841)
Europeana (794)
RePEc (759)
eScholarship (705)
NASA Technical Reports (576)
JSTOR Journals (562)
Regional Business News (415)
USPTO Patent Applications (337)
GeoScienceWorld (271)
DBPIA (255)
J-STAGE (232)
Education Source (217)
Korea Citation Index (214)
Airiti Library eBooks & Journals - 華藝線上圖書館 (192)
SciTech Connect (176)
De Gruyter Brill Online (128)
BrillOnline Reference Works (128)
BioOne Complete (99)
Digital Access to Scholarship at Harvard (DASH) (66)
KERIS Theses & Dissertations (65)
Communication & Mass Media Complete (63)
Library, Information Science & Technology Abstracts (57)
British Library EThOS (56)
Aerospace Research Central (54)
Korean Studies Information Service System (51)
ERIC (49)
Naxos Music Library (48)
Artstor on JSTOR (For institutions outside of the US) (42)
ACM Full-Text Collection (39)
RISS - DDOD (Digital Dissertations On Demand) (37)
CINAHL Plus with Full Text (35)
Emerald Insight (34)
TDX (34)
Oxford Scholarship Online (31)
Alexander Street (29)
ASTM Compass (27)
HeinOnline (23)
SciELO (22)
University Press Scholarship Online (20)
ClinicalTrials.gov (20)
AccessEngineering (19)
GOBI E-books (19)
Academic Conferences in China (Wanfang) (19)
eArticle (19)
SpringerProtocols (18)
JoVE Journal (13)
APA PsycArticles (13)
Choice Reviews (13)
Oxford Reference (10)
Wiley Online Reference Works (7)
Oxford Art Online (6)
Persée (5)
ERICdata Higher Education Knowledge (5)
Wiley Digital Archives (4)
스콜라(Scholar) (4)
Statista (3)
Oxford Medicine Online (3)
Newswires (3)
ASM Alloy Center Database (3)
OAPEN Library (2)
Grove Music Online (2)
ASM Failure Analysis Database (2)
SveMed+ (2)
SSOAR – Social Science Open Access Repository (1)
SpringerMaterials (1)
AccessScience (1)
McGraw-Hill Medical (1)
Britannica Online (1)
BrillOnline Primary Source (1)
Research Starters (1)
Westlaw UK (1)
Oxford Clinical Psychology (1)
Cochrane Database of Systematic Reviews (1)
Accessible Archives (1)
E-LIS (Eprints in Library & Information Science) (1)
ASM Medical Materials Database (1)