Names
- Pennsylvania. General Assembly.1
- Pettingill, Rachel Clapp, 1805-1858.1
- Porter, Harry Hill, 1885-.1
- Presbyterian Theological Seminary of the Northwest--Students.1
- Proctor, Sophie, 1848-1883.1
- Putney, Katie.1
- Redmond, Mary Walter.1
- Retreat for the Insane at Hartford.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
- Roemer, Anna, 1860-1912.1
- Simpson, Mary Jane.1
- Smithsonian Institution.1
- Steinway & Sons.1
- Stephenson, George, 1781-1848--Portraits.1
- Stephenson, Robert, 1803-1859--Portraits.1
- Stewart, Clement, 1842-1921.1
- Sumner, Charles, 1811-1874.1