Institution
University Library of Regensburg
52
Bavarian State Library
50
Universitätsbibliothek der Humboldt-Universität zu Berlin
43
Zentralbibliothek Zürich
8
National Library of Sweden - Kungliga biblioteket
6
University Library of Greifswald
5
Basel University Library
2
University and Regional Library of Tyrol
2
University of Graz
1
The Swiss National Library
1
Saxon State and University Library
1
Bern University Library
1
UiT The Arctic University of Norway - University library
1