Amsterdam, 25 January 1956 - Transport documents M. Winter's letter to Robert Giron, dated 25 January 1956
Amsterdam, 25 January 1956 - Institutional correspondence M. Winter's letter to Robert Giron, dated 25 January 1956
Jarnac, 12 October 1953 - Personal correspondence Claude Roy's letter to Pablo Picasso, dated 12 October 1953