Drożdżewska, Agnieszka. 2018. „The Cataloguing of Musical Sources in Silesia by German Musicologists from the University of Wroclaw During the First Half of the Twentieth Century”. Interdisciplinary Studies in Musicology, nr 11 (październik):23-40. https://pressto.amu.edu.pl/index.php/ism/article/view/15038.