Institution
University Library of Regensburg
126
Universitätsbibliothek der Humboldt-Universität zu Berlin
86
University Library of Greifswald
42
Bavarian State Library
32
Basel University Library
19
Bern University Library
14
Zentralbibliothek Zürich
3
Bibliotheken Schaffhausen
2
Saxon State and University Library
1
University and Regional Library of Tyrol
1