Names
- Pennsylvania Railroad.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
- Sibley, John Langdon, 1804-1885.1
- Smallwood, William, 1732-1792.1
- Smithsonian Institution.1
- Society of Free Quakers.1
- Society of Friends--Charities.1
- Society of Friends--Doctrines.1
- Society of Friends--Education.1
- Society of Friends--History.1
- Society of Friends--Missions.1
- Society of Friends.1
- Steinway & Sons.1
- Stephenson, George, 1781-1848--Portraits.1
- Stephenson, Robert, 1803-1859--Portraits.1
- Treadwell, T. K.1
- Underwood & Underwood.1