"The Correspondence of Karl Heinrich Ulrichs, 1846-1894" (2020) and "Urning: Queer Identity in the German Nineteenth Century" (2024) by Douglas Pretsell. Trace Ulrichs' life and, after his death in 1895, the lives of his followers, the Urnings. #LGBTQhist
https://link.springer.com/book/10.1007/978-3-030-39763-0