Institution
Bibliothèque Nationale et Universitaire de Strasbourg
17
Bavarian State Library
17
Universitätsbibliothek der Humboldt-Universität zu Berlin
11
Zentralbibliothek Zürich
10
University Library of Regensburg
5
Library service of the University of Strasbourg
3
Saxon State and University Library
2
Basel University Library
1
Bern University Library
1