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Organization (as author)
- Oxford University Press48
- Organisation for Economic Co-operation and Development44
- Adam Matthew Digital (Firm)42
- ProQuest (Firm)38
- Alexander Street Press36
- Gale (Firm)28
- William S. Hein & Company28
- Chadwyck-Healey, Inc.20
- ProQuest Information and Learning Company18
- National Archives (Great Britain)17
- EBSCO Publishing (Firm)16
- Institute for Scientific Information16
- Library of Congress15
- East View Publications13
- H.W. Wilson Company13
- National Institute of Standards and Technology (U.S.)12
- Thomson Reuters12
- National Library of Medicine (U.S.)11
- University of Chicago11
- British Library10
