Tearoom Trade: Impersonal Sex in Public Places (Observations)

Now a classic of sociological research and an important document from its time. I read it back in the 90s as a work of gay studies, someone documenting honestly and sympathetically a form of homosexual life that was otherwise clandestine. And I think it served that purpose very well, with insights that would surprise people even now. The book is mostly used now as a prop to talk about sociology research ethics and while there are certainly significant ethical questions in this kind of research, it's a mistake to overlook the primary contribution Humphreys made to understanding one form of homosexual behavior.