Madrid, 1 September 1977 - Institutional correspondence A letter from Jesús Madalena to José Mario Armero
19 January 1940 - Internal museum documents Circulating exhibition contract for Picasso: Forty Years of His Art, New York, and the City Art Museum of St. Louis, Missouri
<em>Ramparts</em>, San Diego, vol. 5, no. 3 (August, 1966): 46–50 - Article “Napalm: Made in USA. A Small-Town Diary”