Institution
Bavarian State Library
62
University Library of Regensburg
44
Basel University Library
41
Bern University Library
20
National Library of Sweden - Kungliga biblioteket
15
University Library of Greifswald
14
Uppsala University Library
10
Universitätsbibliothek der Humboldt-Universität zu Berlin
8
Zentralbibliothek Zürich
3
Bibliotheken Schaffhausen
1