The Arizona Kid. Boy spends summer with his gay uncle. One of 4 main characters is a gay, black Oakland teen who wants to be a doctor. Van Dijk, Lutz, Damned Strong Love. Gay Polish teen falls for German soldier.
Australian teen falls for older brother's gay friend.
From the Notebooks of Melanin Sun. Bradley, Marion Zimmer. The Renunciate thread that runs through many of her novels is very good, but when they are the focus, it's different. Scarpetta series features Lucy, a lesbian FBI and ATF agent. Lucy's coming out happens in The Body Farm.