- R S Means Co
- Rampant Techpress
- Rand Corp
- Rand McNally
- Random House Audiobooks
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- Rare Bird Books, A Vireo Book
- Rational Pr
- Reaktion Books
- Real Estate Education Co
- Redleaf Press
- Reedlogic
- Reference Service Pr
- Regnery Publishing
- Renaissance Books
- Research Communications Group
- Research Grant Guides
- Reuters
- Ria
- Rich Dad Library Series
- Richard K Miller & Associates
- Richard d Irwin
- Risk Management Assoc
- Rizzoli
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- Roblin Pr
- Rosen Pub Group
- Rotbuch
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- Rowman & Littlefield Publishers, Inc.
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