Phillips, London, 'Design', 28 April 2015, lot 43
Acquired from the above by the present owner
Erik Zahle, ed., A Treasury of Scandinavian Design: The standard authority on Scandinavian-designed furniture, textiles, glass, ceramics, and metal, New York, 1961, p. 101
Tina Jørstian and Poul Eric Munk Nielsen, eds., Light Years Ahead, The Story of the PH Lamp, Copenhagen, 1994, pp. 276-78, 280
Arne Karlsen, Danish Furniture Design in the 20th Century, Volume 2, Copenhagen, 2007, p. 71