Institution
University Library of Greifswald
13
Universitätsbibliothek der Humboldt-Universität zu Berlin
11
University of Tartu Library
4
Basel University Library
2
Moravian Library in Brno
2
National Library of the Czech Republic
2
National Library of Sweden - Kungliga biblioteket
2
National and University Library, Slovenia
2
Bern University Library
1