Richmond Barthe at work on a sculpture of Lincoln and an African American slave for the New York City WPA Art Project. Identification on verso (handwritten and stamped): New York City W.P.A. Art Project, Photography Division, 110 King Street Neg. No.: 5888-4; Date: 4/4/41; Title: Artist at work studio, R. Barthe, 285-8th Ave. M.; Photographer: Rose; O.P number: 165-9-00-11.
Archives of American Art, Smithsonian Institution Washington, D.C. 20560