in unknown hand, lower right verso in graphite: unpublished Close: John WP5 NGA
Kathan Brown, San Francisco; gift to NGA, 2014
- Yes, No, Maybe: Artists Working at Crown Point Press, National Gallery of Art, Washington, 2013, pl. 2.4
- Brodie, Judith, and Adam Greenhalgh. Yes, No, Maybe: Artists Working at Crown Point Press. Washington, DC: National Gallery of Art, 2013, p. 55, pl. 2.4.