Names
- Northern Pacific Railway Company.1
- Pennsylvania Railroad.1
- Perry, Oliver Hazard, 1785-1819.1
- Pickett, George E. (George Edward), 1825-1875.1
- 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
- Smithsonian Institution.1
- Steinway & Sons.1
- Stephenson, George, 1781-1848--Portraits.1
- Stephenson, Robert, 1803-1859--Portraits.1
- Stephenson, Rowland, 1782-1856--Portraits.1
- Stimmel, Smith.1
- Thomas, George Henry, 1816-1870.1
- Treadwell, T. K.1
- Underwood & Underwood.1
- United States Capitol (Washington, D.C.)1
- Vitznau-Rigi-Bahn.1
- Vogel, Robert M.1