Mexico City, 26 September 1968 - Institutional correspondence A letter from Rachmael ben Avram to Nelson Rockefeller
Mexico City, 26 September 1968 - Institutional correspondence Rachmael ben Avram's letter to Carol K. Uht
Homenaje a Picasso... Mucha luz se ha perdido - Lithograph Omaggio a Picasso... Molta luce è andata perduta