lower left in graphite: OKTP; lower center in graphite: Day Octopus; lower right in graphite: Susan Middleton 2008; lower right verso in graphite by unknown hand: Middleton: Day Octopus OKTP
Kathan Brown, San Francisco; gift to NGA, 2011
- Yes, No, Maybe: Artists Working at Crown Point Press, National Gallery of Art, Washington, D.C., 1 Sep 2013 - 5 Jan 2014.
- Brodie, Judith, and Adam Greenhalgh. Yes, No, Maybe: Artists Working at Crown Point Press. Washington, DC: National Gallery of Art, 2013, p. 140, pl. 35.1.