Cocteau, Jean. 1918. Le Coq et larlequin: notes de la musique. Paris: Éditions de la Sirène. Reprinted 1979, with a preface by Georges Auric. Paris: Stock. ISBN 2-234-01081-0 English edition, as Cock and Harlequin: Notes Concerning Music, translated by Rollo H. Myers, London: Egoist Press, 1921.