Pierre Petit selfportrait circa 1865.jpg
Portrait de Paulin Lecomte (1822-1898), dit Menier, acteur au théâtre. PH53661(2).jpg
WikiProject PCC Wikidata Pilot/Smithsonian Libraries Dibner Library portraits
Smithsonian American Art and Portrait Gallery Library
online image library Nederlands Fotomuseum
artist list of the National Museum of Sweden
San Francisco Museum of Modern Art online collection
Biographies of the Entomologists of the World
National Portrait Gallery (London) online artwork database