jburgess writes: I can see a _bit_ of a reference in "On the Phrase 'Ass-Backwards.'" ---- It's more than a "_bit_ of a reference." It's a direct reference to one of the sections in part 4 of _GR_ which is entitled, appropriately enough, "On the Phrase 'Ass Backwards'" (pg. 683, Penguin Books paperback ed.).