FILAF Newsletter (Perpignan, France). "FILAF D'OR 2018: Philip Guston: Nixon Drawings. 1971 & 1975." April 8, 2021.
Schwabsky, Barry. "Philip Guston's Peculiar History Lesson." Nation, April 12, 2021.
Mayer, Musa. Philip Guston. London: Laurence King Publishing, 2021.
Joan Mitchell. Edited by Sarah Roberts and Katy Siegel. Exh. cat. San Francisco: San Francisco Museum of Modern Art, 2021.