Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
213
Bavarian State Library
122
Saxon State and University Library
64
Bern University Library
22
The Swiss National Library
10
Research Library Olomouc
7
Basel University Library
5
Library of the Academy of Sciences of the Czech Republic
3
Vienna University Library
3
University and Regional Library of Tyrol
2
University Library of Greifswald
1
National Library of Sweden - Kungliga biblioteket
1
Vienna City Library
1