lower right in black: [?].3.43 HH (in monogram); unknown hand upper left verso in graphite: # 3163 / Hoffman / Bird flight
Woodward Foundation, Washington, DC; gift to NGA, 1976.
- Contemporary American Prints and Drawings, National Gallery of Art, Washington, DC, 1981
- Wilkin, Karen, Marcelle Polednik, and Diana Greenwold. Hans Hofmann Works on Paper. Exh. cat. MOCA Jacksonville, Florida; Portland Museum of Art, Maine, 2017: 88, no. 50.