Institution
University Library of Regensburg
102
Universitätsbibliothek der Humboldt-Universität zu Berlin
77
Bavarian State Library
75
Basel University Library
4
Zentralbibliothek Zürich
4
Bern University Library
3
University Library of Greifswald
2
University and Regional Library of Tyrol
2
Library Am Guisanplatz
1
The Swiss National Library
1
Saxon State and University Library
1