- New York Public Library1
- Norman, William E., 1778-18281
- O. & W.M. Farnsworth & Co.1
- Oliver Peirce 1
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- Parker, A.1
- Perkins & Marvin1
- Plowman, Thomas Lowry1
- Pomeroy, Ralph Wheelock, 1792-18441
- Potter, Paraclete, 1784-18581
- Powers, O. M. (Orville Marcellus), 1852-1
- Pratt, James W.1
- Public-School Publishing Company1
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- Roberts, Book and Job Printers1
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