on lower back and side of proper right leg: OZ 1961
Purchased from the artist by Mr. and Mrs. Nathan L. Halpern; gift 1991 to NGA.
- Art for the Nation: Gifts in Honor of the 50th Anniversary of the National Gallery of Art, National Gallery of Art, Washington, D.C., 1991, 422-423, color repro.
- Sculpture: An Illustrated Catalogue. National Gallery of Art, Washington, 1994: 236, repro.