Scopus® (88,330)
MEDLINE (40,560)
Science Citation Index Expanded (28,675)
Academic Search Complete (15,440)
Complementary Index (12,383)
China Online Journals (Wanfang) (10,622)
OAIster (7,937)
Gale Academic OneFile (5,440)
Supplemental Index (5,325)
Directory of Open Access Journals (5,025)
ScienceDirect (4,024)
Springer Nature Journals (3,740)
arXiv (2,813)
IEEE Xplore Digital Library (2,740)
Gale General OneFile (1,585)
MathSciNet via EBSCOhost (1,583)
Journals@OVID (1,406)
SwePub (750)
Europeana (727)
eScholarship (527)
Social Sciences Citation Index (471)
Business Source Complete (429)
RePEc (347)
USPTO Patent Grants (325)
JSTOR Journals (320)
RISS - DDOD (Digital Dissertations On Demand) (232)
De Gruyter Online (155)
USPTO Patent Applications (139)
NASA Technical Reports (117)
Education Source (104)
J-STAGE (95)
Korea Citation Index (92)
Airiti Library eBooks & Journals - 華藝線上圖書館 (71)
ACM Full-Text Collection (53)
BioOne Complete (53)
Academic Conferences in China (Wanfang) (47)
ERIC (47)
Oxford Art Online (47)
SciTech Connect (32)
Digital Access to Scholarship at Harvard (DASH) (32)
MLA International Bibliography (32)
CINAHL Plus with Full Text (26)
Regional Business News (26)
Research Starters (25)
SciELO (23)
Library, Information Science & Technology Abstracts (22)
ClinicalTrials.gov (21)
BrillOnline Reference Works (20)
GeoScienceWorld (18)
DBPIA (17)
Communication & Mass Media Complete (15)
KERIS Theses & Dissertations (14)
eArticle (14)
British Library EThOS (12)
Emerald Insight (11)
Korean Studies Information Service System (11)
스콜라(Scholar) (11)
Aerospace Research Central (11)
Arts & Humanities Citation Index (10)
ASTM Compass (7)
TDX (6)
Grove Music Online (6)
Oxford Reference (6)
Wiley Online Reference Works (5)
JoVE Journal (3)
Cochrane Database of Systematic Reviews (3)
ProjectMUSE (2)
Artstor Digital Library - International Edition (2)
E-LIS (Eprints in Library & Information Science) (2)
Persée (2)
SveMed+ (1)
ERICdata Higher Education Knowledge (1)
APA PsycArticles (1)
Naxos Music Library (1)
Choice Reviews (1)
HeinOnline (1)
GOBI E-books (1)