Paris, 14 November 1964 - Institutional correspondence A letter from Le Groupment des Anciens Etudiantes de l'Université et des Écoles Supérieures de Budapest, etudiant de France [sic], to Pablo Picasso
New York: Praeger Publishers Inc., 1973 - Essay Six Years: The Dematerialization of the Art Object from 1966 to 1972
<em>Newsweek</em>, New York, March 10, 2015 - Article “Mark Lombardi's Art Was Full of Conspiracies — Now His Death Has Become One”