Gymnasium, Elementary School in Esbjerg, Denmark
‘Nyt Tidsskrift For Kunstindustri’, Dansk Kunsthaandværk, no. 5, May 1948, front cover, p. 189
Roberto Aloi, Esempi Di Arredamento Moderno, Di Tutto Il Mondo: illuminazione d’oggi, Milan, 1956, p. 42
Svend Erik Møller, 'PH', Mobilia, no. 109, August 1964, n.p.
Grete Jalk, ed., Dansk Møbelkunst gennem 40 aar, Volume 4: 1957-1966, Copenhagen, 1987, p. 91
Tina Jørstian and Poul Erik Munk Nielsen, PH 100 Light&Design, exh. cat., Danish Museum of Art & Design, Copenhagen, 1994, p. 13
Tina Jørstian and Poul Eric Munk Nielsen, eds., Light Years Ahead, The Story of the PH Lamp, Copenhagen, 2000, pp. 266-67
Peter Fiell, Scandinavian Design, Cologne, 2002, p. 424 for the front cover of a Louis Poulsen sales catalogue
Erik Steffensen, Poul Henningsen, Denmark, 2005, pp. 48, 31, 58 for images and a drawing