Institution
Bavarian State Library
118
University Library of Regensburg
71
Bern University Library
48
Basel University Library
40
Universitätsbibliothek der Humboldt-Universität zu Berlin
28
University Library of Greifswald
13
Zentralbibliothek Zürich
11
Saxon State and University Library
3
Library Am Guisanplatz
2
The Swiss National Library
1