Rawson, Phillip S. Erotic art of the east; the sexual theme in oriental painting and sculpture. New York: Putnam. 1968: 380. LCCN7260.R35.
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Dunglison, Robley (1857). Medical lexicon. A dictionary of medical science, 1857 edition, s.v. "Pornography" （页面存档备份，存于互联网档案馆）. From the 牛津英語詞典, second edition (1989), Oxford University Press, Retrieved on 11月30日, 2006年.
An American dictionary of the English language, new and revised edition (1864), s.v. "Pornography" （页面存档备份，存于互联网档案馆）. From the 牛津英語詞典, second edition (1989), Oxford University Press, Retrieved on 11月30日, 2006年.
Dunglison, Robley (1857). Medical lexicon. A dictionary of medical science, 1857 edition, s.v. "Pornography" （页面存档备份，存于互联网档案馆）. From the 牛津英語詞典, second edition (1989), Oxford University Press, Retrieved on 11月30日, 2006年.
An American dictionary of the English language, new and revised edition (1864), s.v. "Pornography" （页面存档备份，存于互联网档案馆）. From the 牛津英語詞典, second edition (1989), Oxford University Press, Retrieved on 11月30日, 2006年.
