Institution
National Library of Sweden - Kungliga biblioteket
11
Bavarian State Library
6
University Library of Regensburg
6
Universitätsbibliothek der Humboldt-Universität zu Berlin
5
UiT The Arctic University of Norway - University library
4
Bern University Library
3
Uppsala University Library
3
Basel University Library
1
University of Graz
1
Library of the Academy of Sciences of the Czech Republic
1
National Library of Estonia
1
National and University Library, Slovenia
1
Umeå University Library
1
University of Tartu Library
1
Research Library Olomouc
1
Zentralbibliothek Zürich
1