by later hand, lower center verso in graphite: Pierre le grande. / dessin par Charles Guttenberg; lower right verso in graphite: 20 avril 49 - 10th / vente de[illegible]
John O'Brien; gift 1991 to NGA.
Associated NamesO'Brien, John, Mr.
- Painting, Drawing and Sculpture of the '60s and the '70s from the Dorothy and Herbert Vogel Collection, Institute of Contemporary Art, University of Pennsylvania, Philadelphia, 1975: p. 12.