Thomas Alexander Scott (Pennsylvania Quick Step by Mrs. Caroline Hamilton) by the Thomas Sinclair Lithography Company, c. 1870, lithograph with tintstone on paper, from the National Portrait Gallery - NPG-S-NPG 78 46, Thomas S. Sinclair, circa 1870

Thomas alexander scott (pennsylvania quick step by mrs. Caroline hamilton) by the thomas sinclair lithography company, c. 1870, lithograph with tintstone on paper, from the national portrait gallery which has explicitly released this digital image under the cc0 license. (https://npg. Si. Edu/object/npg_s_npg. 78. 46). Date: circa 1870.