"Subversive Laughter: The Sayings of Courtesans in Book 13 of Athenaeus' Deipnosophistae," by Laura McClure, from American Journal of Philology, Vol. 124, No. 2 (Summer, 2003), pp. 259-294, in 37 searchable pdf pages. Wikipedia has an entry on the Greek author Athenaeus (late 2nd to early 3rd century), and also on the fascinating work discussed, the Banquet of the Sophists(Deipnosophistae). Attached to the present document is a multilingual HTML version of Deipnosophistae. Compiled by Robert Bedrosian. On the topic, see also the articles in Part 2 of the compilation Ancient Sexuality.