Institution
Bavarian State Library
235
Universitätsbibliothek der Humboldt-Universität zu Berlin
80
Zentralbibliothek Zürich
79
University Library of Regensburg
61
University Library of Greifswald
8
Saxon State and University Library
7
National Library of Sweden - Kungliga biblioteket
3
Basel University Library
2
University and Regional Library of Tyrol
2
National and University Library, Slovenia
1
Bern University Library
1