[29] Woldemar(1779, 1794-95), in Werke, v. p. 78.
[30] Einleitung in die Moralwissenschaft, Berlin, 1892-93.
[31] For the doctrine of feeling see, chiefly, Volkmann, Lehrb. d. Psychol. (Cothen, 1885), ii. pp. 301-311; F. Brentano, Psychol. (Leipzig, 1874), 1., ii. c. 5; cf. Ursprung sitt. Erkennt. (Leipzig, 1889) pp. 51-55; A. Palme, Sulzer's Psychol, u. d. Anfänge d. Dreivermögenslehre (Berlin, 1905). Cf. also Croce, Estetica, pp. 226-228, 4th ed.