Agent
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- MoonDance
- Facts on File
- Beacon-Minute Man Corp
- Heinemann
- Teachers College Press
- Encyclopædia Britannica
- Gale Cengage Learning
- InfoUSA Inc.
- Chartered Institute of Library and Information Professionals
- Gale Cenage Learning
- Creativebug LLC
- Graduate School of Business Administration, Harvard University
- Pocket Books
- Alfred A. Knopf
- Cornell Lab of Ornithology
- Southwestern Advantage
- LearningExpress, LLC
- Consumers Union of U.S
- Neal-Schuman Publishers, imprint of American Library Association
- Tutor.com, Inc.
- Holt
- Fairfield Language Technologies
- Universal Class Inc
- OCLC
- Cengage Learning
- Viking
- Publications International, Ltd.
- Beacon Communications Corp
- Scholastic
- Center for the Study of Services
- Peachpit
- MVD Visual
- Novel Data LLC
- Gale
- Commonwealth of Massachusetts, Office of the Secretary of State
- G.P. Putnam's Sons
- Simon & Schuster Audio
- Hyperion Books for Children
- Gale, Cengage Learning
- Blackstone Audio Inc
- 4K Media
- Globe Newspaper Co.
- Career Press
- Lionsgate
- Brigham Young University
- DC Comics
- Pinkney Pubs
- Value Line
- American Physical Society
- Wiley