Institution
Bavarian State Library
876
Saxon State and University Library
153
Library of the Academy of Sciences of the Czech Republic
8
Research Library Olomouc
7
Basel University Library
5
Universitätsbibliothek der Humboldt-Universität zu Berlin
5
University and Regional Library of Tyrol
2
The Swiss National Library
1
National Library of Sweden - Kungliga biblioteket
1
Bern University Library
1