Institution
University Library of Regensburg
307
Universitätsbibliothek der Humboldt-Universität zu Berlin
261
Bavarian State Library
213
Basel University Library
64
Bern University Library
47
Zentralbibliothek Zürich
20
Saxon State and University Library
12
Bibliothèque Nationale et Universitaire de Strasbourg
11
University and Regional Library of Tyrol
10
University Library of Greifswald
7
The Swiss National Library
1
University Library Salzburg
1