Three bawdy versions of "The Ring-Dang-Doo" are in Ed Cray's The Erotic Muse, 2nd ed. (University of Illinois Press, pp. 182-186). Also in Guy Hogsdon, The Whorehouse Bells Were Ringing (University of Illinois Press, 1989, pp. 241-244). Probably in Randolph's Unprintable (which is not in front of me at present).

~Masato