lower left: Odilon Redon; in later hand of Madame Redon: Cain & Abel; in unidentified later hand: (Mme Redon's writing) (bought direct from her). Etching -1886 - 20 proofs only Mellerio No. 18 each NNX / MXX; by later hand lower left verso: A16828
(Kennedy Galleries, New York); Mrs. Ruth Kainen, Washington, D.C., purchased September 16, 1970; gift to NGA, 2006.
- The Darker Side of Light: Arts of Privacy, 1850-1900, Hammer Museum, Los Angeles; NGA; Smart Museum of Art, Chicago, 2009 - 2010
- Mellerio, Andre. Odilon Redon. Paris: Societe pour l'Etude de la Gravure Francais, 1913. Reprint. New York: Da Capo Press, 1968.