Institution
Bavarian State Library
179
University Library of Regensburg
179
Universitätsbibliothek der Humboldt-Universität zu Berlin
138
Zentralbibliothek Zürich
26
Bern University Library
10
University and Regional Library of Tyrol
9
University of Graz
8
University Library Salzburg
8
Vienna City Library
5
University Library of Greifswald
2
Basel University Library
1