In pencil: lower left, 4th of 4 5th trial state June 25, 1932 Civic Insomnia (New York, 1932); lower right, Gerald K. Geerlings, imp.
Acquired by NGA in 2008, gift of Reba and Dave Williams
- The Urban Scene: 1920-1950, National Gallery of Art, Washington, 2017, unnumbered catalogue.
- Czestochowski, Joseph S. Gerald K. Geerlings. Iowa: Cedar Rapids Art Association: 1984, p. 55, no. 28.