Institution
National Library of Estonia
219
University of Tartu Library
68
National Library of Sweden - Kungliga biblioteket
8
Library of the Academy of Sciences of the Czech Republic
6
Moravian Library in Brno
5
National Library of the Czech Republic
3
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
University Library in Bratislava
3
National and University Library, Slovenia
2
University Library of Greifswald
1