Luce, Gay Gaer. El sueño Gay Gaer Luce and Julius Segal; traduccioón de Francisco González Aramburu. - México Siglo XXI Editores 1967. - 414 p. illus. Translation of : Sleep. Bibliography: p. 382-414. LCCN: fel36002117 Subjects--Topical Terms: Sleep LC Class. No.: QP425 / .L82 Dewey Class. No.: 154.6