Bruun Rasmussen, Copenhagen, "Modern Art + Nordic Design," March 7, 2013, lot 855
Acquired from the above by the present owner
Grete Jalk, ed., Dansk Møbelkunst gennem 40 aar, Volume 4: 1957-1966, Copenhagen, 1987, p. 91
Tina Jørstian and Poul Eric Munk Nielsen, eds., Light Years Ahead, The Story of the PH Lamp, Copenhagen, 1994, pp. 266-67
Peter Fiell, Scandinavian Design, Cologne, 2002, p. 424 for the front cover of a Louis Poulsen sales catalogue