Hopkinson, R. G., 1913-1994. The lighting of buildings [by] R. G. Hopkinson and J. D. Kay. - New and revised ed. - London, Faber, 1972. - 320, [60] p. illus., facsim., plans. 23 cm. Bibliography: p. 313-315. ISBN: 057104770X ; 0571099335 (pbk) LCCN: 73158757 Subjects--Topical Terms: Lighting. LC Class. No.: TH7703 / .H65 1972 Dewey Class. No.: 729/.28