New York, 16 September 1957 - Institutional correspondence A letter from Monroe Wheeler to Katharine Kuh
New York, 6 September 1966 - Institutional correspondence Monroe Wheeler's letter to Alfred H. Barr Jr.
Report, La Sexta Noticias, January 21, 2016 - News programme “Declarados culpables de fiasco económico los gestores de la ‘Bienal de arte’ de Sevilla” (The managers of the Art Biennial of Seville found guilty of a “financial fiasco”)
New York, 6 December 1957 - Institutional correspondence Monroe Wheeler's letter to Dorothy Miller and Alfred H. Barr Jr.