Matthew Marks Gallery, New York
Acquired from the above by the present owner in 2004
New York, Matthew Marks Gallery, Long Gone Sole, September 18–October 30, 2004
Michael Amy, "Ugo Rondinone at Matthew Marks," Sculpture, vol. 24, no. 4, May 2005, p. 72
Andrea Tarsia, Zero Built a Nest in My Navel, Zurich, 2006, pp. 244, 246, 249 (illustrated)