Institution
University Library of Greifswald
81
Bavarian State Library
74
University Library of Regensburg
61
Universitätsbibliothek der Humboldt-Universität zu Berlin
60
Zentralbibliothek Zürich
46
Saxon State and University Library
16
Basel University Library
15
Bern University Library
12
The Swiss National Library
1
University and Regional Library of Tyrol
1