XIV. At the beginning of the seventeenth century, a comparatively late period, Coryat visited Venice, and in his Crudities gives a full and interesting account of its courtesans, who then numbered, he says, at least 20,000; the revenue they brought into the State maintained a dozen galleys. J. Schrank, Die Prostitution in Wien, Bd. I, pp. 152-206. U. Robert, Les Signes d'Infamie au Moyen Age, Ch.