Institution
Bern University Library
155
Basel University Library
102
The Swiss National Library
44
Bavarian State Library
32
National Library of Estonia
32
University Library of Regensburg
21
Zentralbibliothek Zürich
21
University of Tartu Library
11
Library Am Guisanplatz
7
University Library of Greifswald
4
Universitätsbibliothek der Humboldt-Universität zu Berlin
4
Saxon State and University Library
1