Institution
Bavarian State Library
635
Zentralbibliothek Zürich
144
University Library of Regensburg
60
National Library of Sweden - Kungliga biblioteket
42
Universitätsbibliothek der Humboldt-Universität zu Berlin
32
University Library of Greifswald
18
Bern University Library
8
Basel University Library
6
Saxon State and University Library
3
University and Regional Library of Tyrol
2