Institution
National Library of the Czech Republic
45
Zentralbibliothek Zürich
36
Bern University Library
35
Basel University Library
22
University Library of Regensburg
8
Research Library Olomouc
6
Universitätsbibliothek der Humboldt-Universität zu Berlin
5
Library of the Academy of Sciences of the Czech Republic
4
The Swiss National Library
4
Saxon State and University Library
4
Moravian Library in Brno
3
National Library of Sweden - Kungliga biblioteket
2
National Library of Technology (Czech Republic)
2
National and University Library, Slovenia
1