New York, 7 March 1956 - Institutional correspondence A telegram from Edgar Craig Schenk to Pablo Picasso
August, 1957 - Institutional correspondence A letter from Jacqueline de la Baume Dürrbach to Nelson Rockefeller
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the Lowe Gallery, Miami University, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York