Institution
Bavarian State Library
349
Saxon State and University Library
74
Research Library Olomouc
37
Bern University Library
24
Universitätsbibliothek der Humboldt-Universität zu Berlin
15
Basel University Library
14
Library of the Academy of Sciences of the Czech Republic
7
The Swiss National Library
5
National Library of Sweden - Kungliga biblioteket
1
University and Regional Library of Tyrol
1