Institution
Bavarian State Library
8
Zentralbibliothek Zürich
3
Basel University Library
2
University Library of Greifswald
2
Saxon State and University Library
2
Bern University Library
2
Universitätsbibliothek der Humboldt-Universität zu Berlin
1
University Library of Regensburg
1
Library service of the University of Strasbourg
1