A presentation of the subject from the point of view of the Swiss School. HALL, B.--The Psychology of sleep. Moffat Yard. A review of the various sleep theories from the academic point of view. KAPLAN, L.--Ueber wiederkehrende Traumsymbole. _Zentrablatt f. Ps. A._ IV, p. 284. An essay on dream symbolism. MANACÉINE, M. DE.--Sleep, its physiology, pathology, hygiene and psychology. Scribner. The most complete study of sleep from every possible point of view, placing the emphasis, however, on the physical aspects of sleep. SACHS, H.--Traumdeutung und Menschenkenntniss. _Jahrb. d. Ps. A._ III, p. 121. SCHROTTER, K.--Experimentelle Träume. _Zentralblatt f. Psy. A._ II, p. 638. A record of very interesting experiments in the production of artificial dreams through hypnotism. SILBERER, H.--Der Traum Enke. Stuttgart. A very clear primer in dream study, epitomizing the latest hypotheses in interpretation. SILBERER, H.--Ueber die Symbolbildung. _Jahrbuch d. Psy-A._ III, p. 661. SILBERER, H.--Zur Symbolbildung. _Jahrbuch d. Psy-A._ IV, p. 607. SILBERER, H.--Bericht über eine methode Hallucinationserscheinungen herbeizurefen. _Jahrbuch d. Psy.-A._ I, p. 513. STEKEL, W.--Die Sprache des Traumes. Wiesbaden, 1911. STEKEL, W.--Die Traüme der Dichter. Wiesbaden, 1912. STEKEL, W.--Fortschritte in der Traumdeutung. _Zentralblatt f. Psy-A._ III, pp. 154, 426. STEKEL, W.--Individuelle Traumsymbole. _Zentralblatt f. Psy-A._ IV, p. 289. Stekel is essentially a Freudian but his books contain hundreds of illustrations and case histories, making his books more understandable to laymen than Freud's writings. "Die Sprache des Traumes" is the most useful text book of Symbol Study. TRIDON, A.--Psychoanalysis, Its History, Theory and Practice. Huebsch. See Chapter V: Symbols, the language of the dreams, and Chapter VI: The dreams of the human race. TRIDON, A.--Psychoanalysis and Behaviour. Knopf. See part IV, chapter II: Self-knowledge through dream study. TRIDON, A.--Introduction to Freud's "Dream Psychology." McCann. VOLD, J. M.--Ueber den Traum. Leipzig 1910-1912. Void holds that every dream is caused by a physical stimulus. VASCHIDE, N.--Le Sommeil et les Rêves. Paris, 1911. A physical explanation of sleep and dreams. FOOTNOTES: