Creator
- Prince, Virginia1
- Providence Lithograph Company1
- Purdy, Charles W. (Charles Wesley), 1846-19011
- R. Clay, Sons, and Taylor1
- Rand, Avery & Co.1
- Rankin, John C., Jr.1
- Read Holliday & Sons1
- Reading Scientific Company1
- Reimann, M.1
- Revue Générale des Matières Colorantes1
- Reynolds Metals Company1
- Rhoades, C. N.1
- Rich, Elihu, 1819-18751
- Richard Clay and Sons1
- Richards & Co. (New York, N.Y.)1
- Richardson, Elliot L., 1920-19991
- Ridgway, Robert, 1850-19291
- Rieder, Hermann1
- Rockwell, Mary1
- Rorer, S. T., 1849-19371