Institution
Bavarian State Library
109
The Swiss National Library
89
Basel University Library
29
Bern University Library
24
Zentralbibliothek Zürich
11
Bibliothèque Nationale et Universitaire de Strasbourg
4
University Library of Greifswald
4
University Library of Regensburg
4
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
Moravian Library in Brno
2
Library service of the University of Strasbourg
1