Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
115
University Library of Regensburg
105
Bavarian State Library
55
Saxon State and University Library
50
Bern University Library
39
University Library of Greifswald
25
Basel University Library
17
Zentralbibliothek Zürich
6
Library Am Guisanplatz
5
The Swiss National Library
3
University of Graz
1
University Library Salzburg
1