Institution
University Library of Regensburg
23
Bavarian State Library
22
Universitätsbibliothek der Humboldt-Universität zu Berlin
11
Zentralbibliothek Zürich
9
Saxon State and University Library
4
University and Regional Library of Tyrol
3
University of Graz
1
The Swiss National Library
1
Bern University Library
1
UiT The Arctic University of Norway - University library
1