Institution
Bavarian State Library
86
Universitätsbibliothek der Humboldt-Universität zu Berlin
48
University Library of Regensburg
37
Basel University Library
17
Bern University Library
13
University Library of Greifswald
9
Zentralbibliothek Zürich
7
Library Am Guisanplatz
1
University of Graz
1
The Swiss National Library
1
National Library of Sweden - Kungliga biblioteket
1
University and Regional Library of Tyrol
1