Author
EBSCO Publishing (Firm)
7,172
American Historical Periodicals
6,375
ScienceDirect (Online service)
2,319
JSTOR (Organization)
1,914
National Institutes of Health (U.S.). PubMed Central
1,658
LINK (Online service)
1,478
Sabin Americana, 1500-1926
1,315
ProQuest Information and Learning Company
1,042
Wiley InterScience (Online service)
900
IEEE Xplore (Online service)
844
MarketLine (Firm)
705
Datamonitor (Firm)
704
American Periodicals Series
678
Institute of Electrical and Electronics Engineers
613
United States. Bureau of the Census
597
William S. Hein & Company
547
Taylor & Francis Online
524
Project Muse
500
National Climatic Data Center (U.S.)
489
Sage Journals Online
478
ESTC (Project)
466
Eighteenth Century Collections Online
460
Economist Intelligence Unit (Great Britain)
419
Early English Books Online
395
Business Monitor International
377
Hindawi Publishing Corporation
377
American Institute of Physics
343
National Climatic Center
330
United States. World Agricultural Outlook Board
329
United States. Bureau of Labor Statistics
306
American Chemical Society
304
United States. Foreign Agricultural Service
299
United States. Joint Publications Research Service
293
Project MUSE
281
United States. Department of Agriculture. Economic Research Service
279
Directory of Open Access Journals
268
Elsevier Science (Firm)
262
BioMed Central Ltd
260
United States. Foreign Broadcast Information Service
259
HighWire Press
250
GPO MARCIVE
244
Making of the Modern World
233
Thomson Gale (Firm)
228
American Psychological Association
227
Association for Computing Machinery
227
Consultants Bureau
216
Gale Group
212
JSTOR Security Collection
211
Burney Newspaper Collection
207
Institution of Electrical Engineers
199
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