Vincent Melzac [1914-1989], Arlington, Virginia; gift 1972 to the Corcoran Gallery of Art, Washington; acquired 2015 by the National Gallery of Art.
- Alma W. Thomas: Retrospective Exhibition, Corcoran Gallery of Art, Washington, 8 September-15 October 1972, no. 15.
- Women Artists from Washington Collections, University of Maryland, 1979.
- Abstraction from the Collection, Corcoran Gallery of Art, Washington, D.C., 2010.
- Washington Color and Light, Corcoran Gall of Art, Washington, D.C., 2011.