[Urszula Bonter, Detlef Haberland, Siegfried Lokatis, Patrizia Blume: Verlagsmetropole Breslau 1800-1945] - Komorowski, Manfred (. Informationsmittel. - Berlin : EDBI, 1993-. - Online-Ressource. - ISSN 1619-3954 24, 2016)