Thomas Shannon has
been in two exhibitions at MoMA,
between 1977 and 1979.
14 February to 10 April 1977
Jasper Johns, Robert Rauschenberg, Robert Motherwell and James Rosenquist, among others, were involved.
4 June to 30 July 1979
Claes Oldenburg, Lyonel Feininger, John Marin and Edward Weston, among others, were involved.