5962966 Japanese prostitutes, c.1915-20 (b/w photo) by Bain, George Grantham - Bain News Service (1865-1944); Private Collection; (add.info.: Japanese courtesan (oiran) and her child protegee, a kamuro. Oiran were the courtesans of Edo period Japan. The oiran were considered a type of yujo \'woman of pleasure\' or prostitute. However, they were distinguished from the yujo in that they were entertainers, and many became celebrities of their times outside the pleasure districts.); American, out of copyright.