1870s Prostitute Guide!
If you're ever time travelling, fucking your way through the centuries, the New York Times has your back: they've found a guide to New York whorehouses from 1870, complete with addresses and thumbs-up and thumbs-down, plus advice on how not to get fucked over in the process. There's even an interactive guide - purely for historical purposes, of course. Bro Bible has some more analysis, for those inclined to take advice from bros about hos.