Signature: In graphite lower right: 'John Sloan/ April 8/1926'
Inscription: Lettered in plate at bottom left: 'John Sloan 1926'; in graphite below image: 'Reading in the Subway'
Mrs. Harry Payne Whitney; Donor: Mrs. Harry Payne Whitney
Peter Morse John Sloan Prints A Catalogue Raisonné of the Etchings, Lithographs, and Posters. New Haven and London, 1969, cat. no. 223. iii, p. 248, ill.