Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
9
National Library of Estonia
8
National Library of the Czech Republic
5
University of Tartu Library
4
University Library of Greifswald
3
Moravian Library in Brno
3
National Library of Sweden - Kungliga biblioteket
2
University Library in Bratislava
2
Research Library Olomouc
2
Masaryk University, Faculty of Arts
1
National and University Library, Slovenia
1
Zentralbibliothek Zürich
1