Madrid, May to June 1982 - Conferences and articles Lectures on the 19th century and Guernica given as part of the Missions of Art programme held at the Museo Nacional del Prado from May to June 1982
New York, 7 October 1953 - Institutional correspondence A letter from Letitia T. Howe to Pablo Picasso
The New Yorker, 31 January 2022 - Drawing Modern Life. The New Yorker cover that pays hommage to MoMA