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EBSCO Publishing (Firm)
7,461
American Historical Periodicals
6,580
ScienceDirect (Online service)
2,410
JSTOR (Organization)
2,132
National Institutes of Health (U.S.). PubMed Central
1,681
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1,604
Sabin Americana, 1500-1926
1,331
ProQuest Information and Learning Company
1,045
IEEE Xplore (Online service)
937
Wiley InterScience (Online service)
932
MarketLine (Firm)
705
Datamonitor (Firm)
704
American Periodicals Series
683
Institute of Electrical and Electronics Engineers
614
United States. Bureau of the Census
600
William S. Hein & Company
563
Taylor & Francis Online
525
Project Muse
506
National Climatic Data Center (U.S.)
489
Sage Journals Online
481
ESTC (Project)
477
Eighteenth Century Collections Online
474
Economist Intelligence Unit (Great Britain)
451
Early English Books Online
396
Business Monitor International
377
Hindawi Publishing Corporation
377
American Institute of Physics
343
National Climatic Center
330
United States. World Agricultural Outlook Board
329
Making of the Modern World
321
United States. Bureau of Labor Statistics
308
American Chemical Society
304
United States. Foreign Agricultural Service
299
United States. Joint Publications Research Service
293
Directory of Open Access Journals
282
Project MUSE
281
United States. Department of Agriculture. Economic Research Service
279
Elsevier Science (Firm)
264
BioMed Central Ltd
260
United States. Foreign Broadcast Information Service
259
HighWire Press
250
GPO MARCIVE
244
Thomson Gale (Firm)
234
American Psychological Association
228
Association for Computing Machinery
227
Gale Group
221
Burney Newspaper Collection
220
Consultants Bureau
216
JSTOR Security Collection
212
SpringerLink (Online service)
203
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