Sariñena (Huesca), 18 September 1936 - Institutional correspondence A letter from Francisco Ruiz (Jean Aaron) to Pablo Picasso
30 May 1996 - Newspapers The Spanish Government and the PNV (Basque Nationalist Party) discuss the transfer of Guernica
New York, 5 November 1938 - Institutional correspondence Herman F. Reissig's letter to Julius Perlstein
New York, 1 November 1939 - Institutional correspondence Herman F. Reissig's letter to Marcelene Peterson, dated 1 November 1939
New York, 2 November 1939 - Institutional correspondence Herman F. Reissig's letter to Milton Wichner
New York, 17 November 1939 - Institutional correspondence Herman F. Reissig's letter to Marcelene Peterson, dated 17 November 1939