XII. For the history of the theory of Language, beside Benfey, op. cit. introd., see Max. Leop. Loewe, Historiæ criticæ grammatices universalis seu philosophicæ lineamenta, Dresden, 1839: A. F. Pott, W. v. Humboldt und die Sprachwissenschaft, introd. to the reprint of Humboldt's Verschiedenheit d. menschl. Sprachbaues (2nd ed., Berlin, 1880, vol. i.).
On Humboldt see esp. Steinthal, Der Ursprung der Sprache, pp. 59-81, and Pott's introd. cit., Wilh. v. Humboldt u. die Sprachwissenschaft.
XIII. For this period, treated with unnecessary fulness, see von Hartmann, op. cit. bk. i.: more concisely by Menendez y Pelayo, vol. iv. (1st ed.), part i. chs. 6-8.
For the doctrine of the modifications of beauty see Zimmermann, op. cit. pp. 715-744: Schasler, op. cit. §§ 517-546: Bosanquet, op. cit. ch. 14, pp. 393-440: in greater detail, v. Hartmann, bk. ii. part i. pp. 363-461.
For the history of the Sublime see also F. Unruh, Der Begriff des Erhabenen seit Kant, Königsberg, 1898. For Humour see B. Croce, Dei varî significanti della parola umorismo e del suo uso nella critica letteraria, in the Journal of Comparative Literature of New York, 1903, fasc. iii. (reprinted in Probl. di est. pp. 275-286) F. Baldensperger, Les Définitions de l'humour, in Études; d'hist. litt. Paris, 1907. For the history of the concept of the Graceful, F. Torraca, La grazia secondo il Castiglione e secondo lo Spencer (in Morandi, Antol. della critica lett. ital. 2nd ed., Città di Castello, 1885, pp. 440-444): F. Braitmaier, op. cit. ii. pp. 166-167.
XIV. For the history of Æsthetic in France during the nineteenth century there is nothing so good as Menendez y Pelayo, vol. iii. part ii. chs. 3-9; ibid. chs. 1-2 give full information concerning Æsthetic in England.
For Æsthetic in Italy in the first half of the nineteenth century, Karl Werner, Idealistische Theorien des Schönen in d. italienischen Philosophie des neunzehnten Jahrhunderts, Vienna, 1884 (from Trans, of the Imperial and Royal Viennese Academy). On Rosmini see esp. P. Bellezza, Antonio Rosmini e la grande questione letteraria del secolo XIX (in the collection Per Antonio Rosmini nel primo centenario, Milan, 1897, vol. i. pp. 364-385). On Gioberti, Ad. Faggi, Vinc. Gioberti esteta e letterato, Palermo, 1901 (from the Atti della R. Accad. di Palermo, s. iii. vol. vi.). On Delfico, G. Gentile, Dal Gcnovesi al Galluppi, Naples, 1903, ch. ii. On Leopardi, E. Bertana in Giorn. stor. lett. ital. xli. pp. 193-283; R. Giani, L'estetica nei pensieri di G. Leopardi, Turin, 1904 (cf. G. Gentile in Critica, ii. pp. 144-147). See also a book quoted by A. Rolla and B. Croce, loc. cit., containing a catalogue of Italian books on Æsthetic of the nineteenth century (Probl. di est. pp. 401-415).
On the theories of the Italian Romanticists, F. De Sanctis, La poetica del Manzoni, in Scritti varî, ed. Croce, i. pp. 23-45; and the same author's La letteratura italiana nel secolo XIX, ed. Croce, Naples, 1897, on Tommaseo, pp. 233-243: on Cantù, pp. 244-273: on Berchet, pp. 479-493: on Mazzini, pp. 424-441. On Mazzini esp. F. Ricitari, Concetto dell' arte e della critica letteraria nella mente di G. Mazzini, Catania, 1896. For all these see G. A. Borgese, Storia della critica romantica in Italia, cit.