The Celluloid Closet (book)
The Celluloid Closet: Homosexuality in the Movies is a non-fiction book by film historian and LGBT activist Vito Russo, first published in 1981 by Harper & Row. The book examines the history of depictions of homosexuality in film, particularly in Hollywood films, from queer coded to overt portrayals.
Source: Wikipedia — The Celluloid Closet (book) (CC BY-SA 4.0)