center verso in graphite: Joel Shapiro / 1969 / Katonah
(Paula Cooper Gallery, NY); Dorothy and Herbert Vogel, New York, NY; purchase/gift to NGA, 1991.
- Afterimage: Drawing Through Process. Los Angeles Museum of Contemporary Art, 1999, cat. pg. 10
- Afterimage: Drawing Through Process. Exh. cat. The Museum of Contemporary Art, Los Angeles, 1999: 145.