Gębołyś, Zdzisław. “German Librarians in 1789–1871. Personal Features of Librarians”. Interdyscyplinarium Nauk O Mediach I Kulturze, edited by Mariola Antczak and Zbigniew Gruszka, Lodz University Press, 2020, pp. 241-6, https://doi.org/10.18778/8142-727-2.11.