Institution
Bavarian State Library
11
National Library of the Czech Republic
9
Research Library Olomouc
7
Moravian Library in Brno
6
Library of the Academy of Sciences of the Czech Republic
5
Universitätsbibliothek der Humboldt-Universität zu Berlin
4
University Library of Regensburg
3
University Library of Greifswald
2
Saxon State and University Library
1