BBB: Lucy, Suzy, and Mary Mack (Reader Comments and Addenda)
nj recommends a book called Greasy Grimy Gopher Guts : The Subversive Folklore of Childhood by Josepha Sherman (author of several other works of folklore and fantasy) and T. K. F. Weisskopf. nj says "It's a pretty extensive compendium and analysis of gross-out rhymes and variations, with some discussion of why kids are fascinated by various unpleasant subjects."
(Last updated: 28 January 2000)