A Single Man by Christopher Isherwood is a novel that takes place over the course of one whole day, following an English professor in California in the early 1960's, grieving the loss of his life partner and how he copes with it around so many different people.

Making Gay History

F.J. Jefferiss’ Homosexually-acquired VD

American Psychological Association The History of Gay, Lesbian, Trans Movements

Oxford Dictionary of National Biography

Wikipdeia

A Single Man - Christopher Isherwood