3 April 1939 - Minutes Minutes from a meeting of the Executive Committee of the Spanish Intellectual Aid, dated 3 April 1939
New York, 6 May 1955 - Institutional correspondence A letter from W.R. Keating & Company International to R. Lerondelle
New York, 23 January 1957 - Transport documents A letter from the vice-president of W. R. Keating & Company to Willem Sandberg
24 March 1939 - Minutes Minutes from the meeting of the Executive Committee of the Spanish Intellectual Aid Association, dated 24 March 1939
30 March 1939 - Minutes Minutes from a meeting of the Executive Committee of the Spanish Intellectual Aid Association, dated 30 March 1939