The Foundation for the Epstein Family Munch Collection; gift to NGA, 2000.
- Encounter in Space: Double Images in the Graphic Art of Edvard Munch, From the Collection of Sarah G. and Lionel C. Epstein, Franklin and Marshall College, Lancaster, PA; Hood Museum of Art, Dartmouth College; Wellesley College, 1986-1987, no. 21.
- Bruteig, Magne, Frank Høifødt, Petra Pettersen, Sivert Thue, and Gerd Woll. The Drawings of Edvard Munch. (online catalogue raisonné) Oslo, Norway: Munch Museet, 2018. http://munch.emuseum.com/en/start/images