Paris, 5 December 1955 - Institutional correspondence Maurice Lefebvre-Foinet's letter to Willem Sandberg
Barcelona, 4 February 1938 - Institutional correspondence Correspondence regarding the organisation of a Picasso exhibition in the USA
Cover of <em>Life</em>, New York, May 15, 1970 - Magazine “Tragedy at Kent. Cambodia and Dissent: The Crisis of Presidential Leadership”