Institution
University Library of Regensburg
53
Bavarian State Library
27
Universitätsbibliothek der Humboldt-Universität zu Berlin
27
Basel University Library
12
Bern University Library
7
Zentralbibliothek Zürich
5
University Library of Greifswald
3
The Swiss National Library
3
Bibliotheken Schaffhausen
2
Bibliothèque Nationale et Universitaire de Strasbourg
1
Library service of the University of Strasbourg
1