Institution
Bavarian State Library
326
University Library of Regensburg
57
Basel University Library
56
Universitätsbibliothek der Humboldt-Universität zu Berlin
43
Bern University Library
42
University Library of Greifswald
10
Zentralbibliothek Zürich
7
Library service of the University of Strasbourg
5
Saxon State and University Library
3
Bibliotheken Schaffhausen
1