Names
- Helps, Arthur, Sir, 1813-1875.1
- Henry Stevens, Son & Stiles1
- Huntley, Victoria Hutson, 1900-1971.1
- Irving & Willey.1
- Jackson, William Henry, 1843-1942.1
- Keystone View Company.1
- Kilburn, B. W. (Benjamin West), 1827-1909.1
- Kohl, J. G. (Johann Georg), 1808-1878.1
- Kuhler, Otto, 1894-1977.1
- Langenheim, Frederick, 1809-1879.1
- Lawrence, Abbott, 1792-1855--Portraits.1
- Lawrence, Abbott.1
- Lenox, James, 1800-1880.1
- Lenox, James.1
- Lieber, Francis, 1800-1872.1
- Livermore, George, 1809-1865.1
- Major, Richard Henry, 1818-1891.1
- Marconi, Guglielmo, 1874-1937--Portraits.1
- Mather, John A. (John Aked), 1829-1915.1
- Meigs, Montgomery, 1847-1931.1