Institution
University Library of Regensburg
322
Bavarian State Library
262
Universitätsbibliothek der Humboldt-Universität zu Berlin
129
Basel University Library
41
Bern University Library
35
Zentralbibliothek Zürich
8
University Library of Greifswald
4
University and Regional Library of Tyrol
4
Library Am Guisanplatz
2
The Swiss National Library
2
Saxon State and University Library
1