Institution
The Swiss National Library
30
Zentralbibliothek Zürich
30
Bavarian State Library
20
Basel University Library
18
Bern University Library
17
Library Am Guisanplatz
16
University and Regional Library of Tyrol
10
University Library Salzburg
4
University Library of Greifswald
3
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
University Library of Regensburg
3
Bibliotheken Schaffhausen
1