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Organization (as author)
- ProQuest (Firm)55
- Oxford University Press51
- Adam Matthew Digital (Firm)50
- Organisation for Economic Co-operation and Development50
- William S. Hein & Company43
- Wharton School38
- Alexander Street Press37
- Gale (Firm)30
- Chadwyck-Healey, Inc.22
- EBSCO Publishing (Firm)21
- ProQuest Information and Learning Company20
- Thomson Reuters20
- Library of Congress18
- National Archives (Great Britain)17
- Institute for Scientific Information16
- United States. Environmental Protection Agency16
- Statista GmbH13
- Great Britain. Foreign and Commonwealth Office12
- H.W. Wilson Company12
- National Institute of Standards and Technology (U.S.)12