Europe from about 1350-1500.

Europe from about the Reformation to roughly the French Revolution.

American Revolution period until about the Jackson administration.

Europe before the fall of Western Rome and the Middle East before Islam.

Europe from the fall of Western Rome to the Renaissance

Books listed in "The Lost Library: Gay Fiction Rediscovered", edited by Tom Cardamone.

Books listed in "Lost Gay Novels: A Reference Guide to Fifty Works from the First Half of the Twentieth Century" by Anthony Slide

Queer media analysis, culture, and history books (and the occasional non-queer book) that are a better use of your time than watching James Somerton.

https://rmc.library.cornell.edu/EAD/htmldocs/RMM07456.html