Institution
University Library of Regensburg
12
University Library of Greifswald
7
Bavarian State Library
6
Universitätsbibliothek der Humboldt-Universität zu Berlin
5
Martin-Opitz Bibliothek Herne
4
National Library of the Czech Republic
3
Bibliothèque Nationale et Universitaire de Strasbourg
2
National Library of Estonia
2
National Library of Sweden - Kungliga biblioteket
2
Bern University Library
2
Moravian Library in Brno
1
Research Library Olomouc
1