Names
- Pinchot, Gifford, 1865-1946.1
- Piper, Horace.1
- Platt, Zephaniah, 1797-1872.1
- Polk, James K. (James Knox), 1795-1849.1
- Pond, Elihu Bartlit, 1826-1898.1
- Portland Cement Company (Alpena, Mich.)1
- Prescott, R. F.1
- Price, Lyman B., 1811-1
- Prichette, Kintzing.1
- Ransom, Epaphroditus, 1797-1859.1
- Redfield, Alexander Heman, 1805-1869.1
- Richmond, William A., 1808-1870.1
- Roosevelt, Franklin D. (Franklin Delano), 1882-1945.1
- Roth, Filibert, 1858-1925.1
- Russell, Israel C. (Israel Cook), 1852-1906.1
- Ruthven, Alexander Grant, 1882-1971.1
- Sawyer, Walter H. (Walter Hulme), 1861-1931.1
- Schwarz, J. E., 1799-1858.1
- Shearer, Jonathan, 1796-1881.1
- Shook, Jacob, 1779-1862.1