Chicago, 11 October 1939 - Institutional correspondence Charles Goodspeed's telegram to Pablo Picasso
Barcelona, 4 February 1938 - Institutional correspondence Correspondence regarding the organisation of a Picasso exhibition in the USA
<em>St. Louis Post-Dispatch</em>, Saint-Louis, November 13, 1969, front page and inside pages - Article “Lieutenant Accused of Murdering 109 Civilians”