[249] Cf. my work on “Rétif de la Bretonne,” p. 504 et seq. (Berlin, 1906).

[250] The contents of this work are enumerated in my above-mentioned book, pp. 505-512.

[251] A. J. B. Parent-Duchatelet, “De la Prostitution dans la Ville de Paris,” third edition, 1857 (Paris, 1836).

[252] F. F. A. Béraud, “Les Filles Publiques de Paris” (Brussels, 1839, 2 vols.).

[253] Dr. Michael Ryan was an acquaintance of Arthur Schopenhauer, who in June, 1829, sent Ryan a copy of his book “Theoria Colorum.” Cf. Eduard Grisebach, “Schopenhauer: the History of His Life,” p. 168 (Berlin, 1897).

[254] M. Ryan, “Prostitution in London, with a Comparative View of that of Paris and New York” (London, 1839).

[255] Cf. in this connexion also the report from other sources given in my “Sexual Life in England,” vol. iii., pp. 315-319, 440-447 (Berlin, 1903).

[256] W. Tait, “Magdalenism: An Inquiry into the Extent, Causes, and Consequences of Prostitution in Edinburgh,” second edition (Edinburgh, 1842).

[257] R. Wardlaw, “Lectures on Female Prostitution; its Nature, Extent, Effects, Guilt, Causes, and Remedy,” third edition (Glasgow, 1843).

[258] F. I. dos Santos Cruz, “Da Prostituiçao na Cidade de Lisboa” (Lisbon, 1841).