@{,
author = {https://digital.katalog.queersearch.org/s/katalog/item/39496,},
year = {2000},
title = {Karl Heinrich Ulrichs: Der erste Schwule der Weltgeschichte},
publisher = {https://digital.katalog.queersearch.org/s/katalog/item/40631},
isbn = {3-86149-105-2}
}