lower right in graphite: Raven Hill July 24.68; lower left verso in graphite by unknown hand: 83
John Davis Hatch [1907-1996], by 1976; gift 1979 to the National Gallery of Art
- Hatch, John Davis. 100 American Drawings: Loan Exhibition from the Collection of John Davis Hatch. London: Heim Gallery, 1976, no. 38.