Scopus® (79,914)
MEDLINE (30,543)
China Online Journals (Wanfang) (28,985)
Academic Search Complete (23,148)
Complementary Index (18,182)
Science Citation Index Expanded (18,046)
Supplemental Index (8,486)
OAIster (8,006)
Directory of Open Access Journals (6,175)
Springer Nature Journals (5,242)
Gale Academic OneFile (4,634)
IEEE Xplore Digital Library (3,374)
MathSciNet via EBSCOhost (3,216)
Journals@OVID (2,740)
ScienceDirect (2,706)
arXiv (2,257)
Social Sciences Citation Index (1,471)
USPTO Patent Grants (1,117)
Arts & Humanities Citation Index (1,047)
SwePub (875)
Gale General OneFile (796)
eScholarship (754)
Business Source Complete (736)
Airiti Library eBooks & Journals - 華藝線上圖書館 (723)
JSTOR Journals (609)
RePEc (538)
USPTO Patent Applications (191)
J-STAGE (189)
Korea Citation Index (174)
Education Source (150)
Europeana (138)
NASA Technical Reports (123)
BioOne Complete (117)
BrillOnline Reference Works (112)
De Gruyter Online (109)
MLA International Bibliography (94)
SciTech Connect (67)
ACM Full-Text Collection (66)
Digital Access to Scholarship at Harvard (DASH) (64)
SSOAR – Social Science Open Access Repository (60)
ERIC (52)
Academic Conferences in China (Wanfang) (45)
Library, Information Science & Technology Abstracts (42)
Research Starters (39)
DBPIA (38)
SciELO (32)
Korean Studies Information Service System (31)
Emerald Insight (27)
ProjectMUSE (27)
Communication & Mass Media Complete (26)
Regional Business News (26)
Aerospace Research Central (20)
GeoScienceWorld (19)
CINAHL Plus with Full Text (18)
RISS - DDOD (Digital Dissertations On Demand) (17)
Naxos Music Library (16)
Wiley Online Reference Works (16)
ERICdata Higher Education Knowledge (15)
KERIS Theses & Dissertations (15)
HeinOnline (14)
JoVE Journal (13)
Oxford Scholarship Online (11)
British Library EThOS (11)
APA PsycArticles (10)
TDX (8)
ASTM Compass (8)
스콜라(Scholar) (6)
SpringerMaterials (6)
ClinicalTrials.gov (6)
Alexander Street (5)
eArticle (5)
GOBI E-books (4)
Cochrane Database of Systematic Reviews (4)
Westlaw UK (3)
Accessible Archives (3)
Persée (3)
AccessScience (2)
SveMed+ (2)
ASM Medical Materials Database (2)
AccessEngineering (2)
F1000Research (2)
Choice Reviews (1)
Oxford Reference (1)
OAPEN Library (1)
Artstor on JSTOR (For institutions outside of the US) (1)
Wiley Digital Archives (1)
Grove Music Online (1)