Names
- Portable Picture Palace.1
- Porter, David D. (David Dixon), 1813-1891--Portraits.1
- Potee, I. M.1
- Primrose, George M., 1841-1889.1
- Pullman Railroad Company.1
- Ranavalona III, Queen of Madagascar, 1861-1917--Portraits.1
- Rector, W. H.1
- Reed, Thomas B. (Thomas Brackett), 1839-1902--Portraits.1
- Robbins, Frank, 1846-1924.1
- Rockefeller, John D., III (John Davison), 1906-1978--Portraits.1
- Roebling, John A. (John Augustus), 1806-1869--Portraits.1
- Roebling, Washington Augustus, 1837-1926--Portraits.1
- Rogers, Randolph, 1825-1892--Portraits.1
- Rollow, Lewis DeArcy, 1868-1937.1
- Roshon, C. S. (Christian S.), 1838-1916.1
- Salvini, Tommaso, 1829-1915--Portraits.1
- Sarony, Napoleon, 1821-1896.1
- Saxe, John Godfrey, 1816-1887--Portraits.1
- Schurz, Carl, 1829-1906--Portraits.1
- Scott-Siddons, Mary Frances, 1844-1896--Portraits.1