São Paulo, 4 March 1953 - Institutional correspondence Arturo Profili's letter to Paulo E. de Berrêdo Carneiro, dated 4 March 1953
São Paulo, 3 August 1953 - Institutional correspondence Arturo Profili's letter to Paulo E. de Berrêdo Carneiro, dated 3 August 1953
New York, 9 September 1939 - Institutional correspondence John Sherman's letter to Marcelene Peterson
New York, February 24, 1970 - Letter A letter from Walter Bareiss and Robert Von Berg to Wilder Green