Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
135
University Library of Regensburg
112
Bavarian State Library
72
Zentralbibliothek Zürich
34
Basel University Library
26
Bern University Library
17
University Library of Greifswald
3
University and Regional Library of Tyrol
2
Library Am Guisanplatz
1
The Swiss National Library
1