Institution
University Library of Regensburg
114
Universitätsbibliothek der Humboldt-Universität zu Berlin
67
Bavarian State Library
58
Basel University Library
25
Bern University Library
18
The Swiss National Library
3
Saxon State and University Library
3
Zentralbibliothek Zürich
3
Bibliotheken Schaffhausen
2
Library Am Guisanplatz
1
University Library of Greifswald
1
Vienna City Library
1