lower left in plate: WH; lower right in plate: HAYES; lower center: PAUL MORPHY, THE CHESS CHAMPION.
- Foster, Allen Evarts. "A check list of illustrations by Winslow Homer appearing in various periodicals; a supplement." Bulletin of the New York Public Library 44 (1940): 537-539.
- Gelman 1969, no.71.
- Kelsey 1977, no.60.