Names
- Lawrence, Abbott, 1792-1855--Portraits.1
- Marconi, Guglielmo, 1874-1937--Portraits.1
- Mather, John A. (John Aked), 1829-1915.1
- Meigs, Montgomery, 1847-1931.1
- Mount Washington Cog Railway.1
- New York Elevated Railway Company.1
- Northern Pacific Railway Company.1
- 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
- Smith family1
- Smith, J. M.1
- Smith, M. H.1
- Smithsonian Institution.1
- Steinway & Sons.1
- Stephenson, George, 1781-1848--Portraits.1
- Stephenson, Robert, 1803-1859--Portraits.1
- Thompson, Elizabeth Maria Bowen, 1812 or 1813-1869.1