Institution
Bavarian State Library
170
Vienna University Library
130
Bern University Library
55
Basel University Library
38
National Library of Sweden - Kungliga biblioteket
35
Research Library Olomouc
10
Universitätsbibliothek der Humboldt-Universität zu Berlin
5
Umeå University Library
5
The Swiss National Library
3
Saxon State and University Library
2
Library of the Academy of Sciences of the Czech Republic
1
University and Regional Library of Tyrol
1