1. Artists Documentation Program, a collaboration between Menil Foundation, Whitney Museum of American Art, Centre for the Technical Study of Modern Art, Harvard Art Museum, viewed 24 June 2014, http://adp.menil.org/.
2. Beerkens, L, Hoen, P. Hummelen, I, Van Saaze, V, Scholte, T, Stigter, (eds) 2012, The artist interview, for conservation and presentation of contemporary art; guidelines and practice, Jap Sam Books, Heijnigen.