Adolph Gottlieb Three White Discs, 1967 Provenance Estate of the Artist Collection of Esther Gottlieb, New York Galeria Elvira Gonzalez, Madrid Private Collection, USA (artmiami.com)
Adolph Gottlieb Untitled, 1969 Provenance Estate of the Artist Collection of Esther Gottlieb, New York Adolph and Esther Gottlieb Foundation, New York Private Collection, West Coast Private Collection, New York Christies's New York, May 14, 2015 (Lot 00409) (artmiami.com)