Gale General OneFile (55,282)
Scopus® (37,313)
Complementary Index (37,210)
Gale Academic OneFile (29,648)
Supplemental Index (25,575)
Academic Search Complete (25,044)
Science Citation Index Expanded (24,161)
OAIster (18,984)
MEDLINE (16,669)
Regional Business News (14,020)
Business Source Complete (7,577)
JSTOR Journals (7,420)
ScienceDirect (6,030)
USPTO Patent Grants (5,936)
Education Source (5,498)
Social Sciences Citation Index (4,208)
Europeana (4,142)
HeinOnline (3,333)
Journals@OVID (3,005)
Directory of Open Access Journals (2,815)
Springer Nature Journals (2,449)
ProjectMUSE (2,384)
MLA International Bibliography (2,018)
IEEE Xplore Digital Library (1,922)
ERIC (1,649)
arXiv (1,575)
Arts & Humanities Citation Index (1,541)
Library, Information Science & Technology Abstracts (1,478)
GOBI E-books (1,075)
USPTO Patent Applications (989)
RePEc (969)
MathSciNet via EBSCOhost (872)
eScholarship (813)
De Gruyter Online (719)
Communication & Mass Media Complete (668)
SciTech Connect (580)
NASA Technical Reports (546)
SwePub (513)
Newswires (484)
Accessible Archives (395)
Research Starters (352)
China Online Journals (Wanfang) (322)
Wiley Digital Archives (299)
Artstor Digital Library - International Edition (286)
British Library EThOS (281)
Oxford Reference (241)
Westlaw UK (239)
Oxford Scholarship Online (237)
ACM Full-Text Collection (214)
BioOne Complete (202)
RISS - DDOD (Digital Dissertations On Demand) (199)
Alexander Street (194)
University Press Scholarship Online (154)
GeoScienceWorld (141)
BrillOnline Reference Works (134)
Korea Citation Index (127)
J-STAGE (127)
CINAHL Plus with Full Text (124)
Grove Music Online (112)
Emerald Insight (112)
APA PsycArticles (108)
DBPIA (106)
Digital Access to Scholarship at Harvard (DASH) (83)
Wiley Online Reference Works (83)
Naxos Music Library (79)
Airiti Library eBooks & Journals - 華藝線上圖書館 (76)
ClinicalTrials.gov (68)
ASTM Compass (56)
Korean Studies Information Service System (56)
KERIS Theses & Dissertations (54)
Oxford Art Online (45)
ASM Medical Materials Database (40)
Choice Reviews (38)
Persée (37)
Canadiana Online (36)
TDX (32)
Aerospace Research Central (29)
SciELO (29)
Academic Conferences in China (Wanfang) (27)
eArticle (24)
Britannica Online (20)
스콜라(Scholar) (19)
Economist Historical Archive (14)
JoVE Journal (9)
OAPEN Library (7)
AccessEngineering (7)
AccessScience (7)
ICPSR Data Archive (6)
Cochrane Database of Systematic Reviews (5)
SSOAR – Social Science Open Access Repository (4)
CogPrints (4)
SveMed+ (4)
Oxford Medicine Online (4)
KRpia (4)
ERICdata Higher Education Knowledge (3)
MLA Directory of Periodicals (3)
E-LIS (Eprints in Library & Information Science) (2)
Oxford Clinical Psychology (1)
JoVE Science Education Database (1)
agriRxiv (1)
OECD iLibrary (1)
McGraw-Hill Medical (1)
SpringerMaterials (1)
F1000Research (1)
BrillOnline Primary Source (1)