Institution
Saxon State and University Library
79
Bavarian State Library
69
University Library of Regensburg
55
Universitätsbibliothek der Humboldt-Universität zu Berlin
45
Zentralbibliothek Zürich
7
National Library of Sweden - Kungliga biblioteket
3
University Library of Greifswald
2
University of Graz
1
University and Regional Library of Tyrol
1
UiT The Arctic University of Norway - University library
1