Sully's Studio by John Moran, undated, photograph, from the National Portrait Gallery - NPG-AD NPG 74 16Sully-000001, Thomas Sully

Sully's studio by john moran, undated, photograph, from the national portrait gallery which has explicitly released this digital image under the cc0 license. (https://npg. Si. Edu/object/npg_ad_npg. 74. 16). Unknown date