@{,
author = {https://digital.katalog.queersearch.org/s/katalog/item/40731,},
year = {1988},
title = {Ulrichs: The Life and Works of Karl Heinrich Ulrichs: Pioneer of the Modern Gay Movement},
publisher = {https://digital.katalog.queersearch.org/s/katalog/item/49635},
isbn = {1-55583-124-9}
}