Institution
Bern University Library
58
University Library of Regensburg
27
Bavarian State Library
24
Universitätsbibliothek der Humboldt-Universität zu Berlin
24
Basel University Library
18
University Library of Greifswald
6
The Swiss National Library
2
Zentralbibliothek Zürich
2
Bibliothèque Nationale et Universitaire de Strasbourg
1
Saxon State and University Library
1
Library service of the University of Strasbourg
1