Milan, 4 August 1953 - Institutional correspondence A letter from Fernanda Wittgens to Willem Sandberg, dated 4 August 1953
Milan, 12 August 1953 - Institutional correspondence Fernanda Wittgens' letter to Willem Sandberg, dated 12 August 1953
Milan, 7 October 1953 - Institutional correspondence A letter from Fernanda Wittgens to Willem Sandberg, dated 7 October 1953
<em>Archive Fever: Uses of the Document in Contemporary Art</em>. New York: International Center of Photography, exh. cat., 2008, 11–51 - Essay “Archive Fever: Photography between History and the Monument”
Seville: International Biennial of Contemporary Art of Seville (BIACS 2), exh. cat., 2006 - Catalogue The Unhomely: Phantom Scenes in Global Society