Institution
University Library of Regensburg
8
Bavarian State Library
7
Basel University Library
5
Universitätsbibliothek der Humboldt-Universität zu Berlin
5
University Library of Greifswald
3
Bern University Library
2
Zentralbibliothek Zürich
2
Bibliothèque Nationale et Universitaire de Strasbourg
1
Library service of the University of Strasbourg
1