What are the "gay novels of the 1940s and 1950s"?

The Heart is a Lonely Hunter (1940) - Carson McCullers
Our Lady of the Flowers (1942) - Jean Genet
In Youth is Pleasure (1945) - Denton Welch
The Fall of Valor (1946) - Charles Jackson
Other Voices, Other Rooms (1948) - Truman Capote
Confessions of a Mask (1949) - Yukio Mishima
Lucifer With a Book (1949) - John Horne Burns
The Thief’s Journal (1949) - Jean Genet
Quatrefoil (1950) - James Barr
Finistere (1951) - Fritz Peters
Parents’ Day (1951) - Paul Goodman
Hemlock and After (1952) - Angus Wilson
Let It Come Down (1952) - Paul Bowles
The World in the Evening (1954) - Christopher Isherwood
Yesterday Will Make You Cry (1955) - Chester Himes
Giovanni’s Room (1956) - James Baldwin
Jamie Is My Heart’s Desire (1956) - Alfred Chester
Sam (1959) - Lonnie Coleman
Another Country (1962) - James Baldwin
City of Night (1963) - John Rechy
A Single Man (1964) - Christopher Isherwood
Totempole (1965) - Sanford Friedman