Institution
Bavarian State Library
63
Universitätsbibliothek der Humboldt-Universität zu Berlin
53
Saxon State and University Library
28
Zentralbibliothek Zürich
27
University Library of Regensburg
20
University Library of Greifswald
6
National Library of Sweden - Kungliga biblioteket
3
Basel University Library
2
University of Graz
2
University and Regional Library of Tyrol
2
Moravian Library in Brno
1
National and University Library, Slovenia
1
Bern University Library
1