Jared Bradley Flagg, ‘Portrait of Florence Adele Vanderbilt Twombly (Mrs. Hamilton McKown Twombly, 1854-1952)’, 1877, Avery Library

Art Properties, Avery Architectural & Fine Arts Library, Columbia University in the City of New York, Gift of Mrs. W.A.M. Burden for the Twombly-Burden Room, 1964 (1964.8.2)

Signature: Signed and dated lower left: Jared B. Flagg 1877