Institution
University Library of Regensburg
330
Bavarian State Library
266
Universitätsbibliothek der Humboldt-Universität zu Berlin
130
Basel University Library
41
Bern University Library
35
University Library of Greifswald
20
Zentralbibliothek Zürich
8
University and Regional Library of Tyrol
4
Library Am Guisanplatz
2
The Swiss National Library
2
Saxon State and University Library
1
University Library Salzburg
1