H. ten Kate, International Centralblatt für Anthropologie, Ht. 6, 1902. This author, who made observations on Japanese with Zwaardemaker's olfactometer, found that, contrary to an opinion sometimes stated, they have a somewhat defective sense of smell. He remarks that there are no really native Japanese perfumes.
Moll: Die Konträre Sexualempfindung, third edition, 1890, p. 306.
Moll: Libido Sexualis, bd. 1, p. 284.