García, Beatriz. "Better Than Walls: Mexican Artists Who Made the American Art combative."AL DÍA (Philadelphia), November 20, 2019. Online.
Reed, Patrick J. "Resilience: Philip Guston in 1971." Brooklyn Rail, December/January 2019-2020, p. 83.
Reed, Patrick J. "Resilience: Philip Guston in 1971." Brooklyn Rail, December 2019. Online.
Dex, Robert. "Picasso and Hockney among Standard film critic Alexander Walker's collection going on show at British Museum." Evening Standard, December 16, 2019. Online.