New York, 31 December 1959 - Institutional correspondence Alfred H. Barr Jr.'s letter Pablo Picasso, dated 31 December 1959
Paris, 17 November 1959 - Institutional correspondence A letter from the Groupe d'étudiants d'espagnol to Pablo Picasso
The New Yorker, 31 January 2022 - Drawing Modern Life. The New Yorker cover that pays hommage to MoMA