12. Freud, "Interpretation of Dreams," p. 243.
13. Russell, Bertrand: Lowell Lectures, 1914; Cf. Lect. VIII, pp. 219, sec. 2, 222, sec. 2; Title, "Scientific Method in Philosophy," Open Court Publishing Company, Chicago, London.
14. James, William, "Principles . . . .," I, 270; Algebra-analogy; see also "Fringe," p. 258.
15. Hobbes, Thomas, "Leviathan," Chapt. III.
16. Sidgwick, Alfred, "The Application of Logic," 1910; The Macmillan Co.; especially pp. 93-94.
17. Delage, Ives, "Une Theorie de Reves," Revue Scientifique, II, July, 1891.
18. Prince, "The Unconscious," 1914; The Macmillan Co.; (a) "The Meaning of Ideas as Determined by Unconscious Settings;" (b) Role of same in phobia: especially p. 389, footnotes pp. 392-3, 408. Also, Journ. Ab. Psychology; (a) Oct.-Nov., 1912; (b) Oct.-Nov., 1913.
19. Ebbinghaus, "Abriss der Psychologie;" Max Meyer's version, Cf. pp. 94-5; "Ebbinghaus's Psychology," 1908; D. C. Heath & Co., Boston.
20. "Inventorial Record Forms of Use in the Analysis of Dreams," Jour. Ab. Psychology, Feb.-Mar., 1914.
21. Descartes, Rene, "Discours de la Methode pour bien conduire sa raison et chercher la verite dans les sciences;" Leyde, 1637.