Leon Appelbaum has
been in two exhibitions at MoMA,
between 1953 and 1954.
25 November 1953 to 31 January 1954
Leonard Baskin, Antonio Frasconi, John Paul Jones and Robert Andrew Parker, among others, were involved.
8 September to 28 November 1954
William S. Lieberman, Ben Shahn, Charles Sheeler and Lyonel Feininger, among others, were involved.