upper left in stone: 3 24 55; lower left in graphite: Collage #7; lower center in graphite: ED 25 (Arches), + 2 artist's proofs (RIVES); lower right in graphite: Ralston Crawford / J artist's proof
by descent to Neelon Crawford, artist's son, New York; gift to NGA, 2000
- Freeman, Richard B. The Lithographs of Ralston Crawford. Univ. of Kentucky Press, 1962.