@{,
author = {https://digital.katalog.queersearch.org/s/katalog/item/38797, and https://digital.katalog.queersearch.org/s/katalog/item/45416, and https://digital.katalog.queersearch.org/s/katalog/item/45417,},
year = {2009},
title = {Briefwechsel 1907-1925},
publisher = {https://digital.katalog.queersearch.org/s/katalog/item/51086},
isbn = {978-3-85132-400-6}
}