Institution
University Library of Regensburg
824
University Library of Greifswald
185
Universitätsbibliothek der Humboldt-Universität zu Berlin
55
Zentralbibliothek Zürich
22
Vienna University Library
19
Bavarian State Library
18
Bern University Library
11
University of Graz
4
National Library of Sweden - Kungliga biblioteket
4
University and Regional Library of Tyrol
4
Basel University Library
2
Library of the Academy of Sciences of the Czech Republic
1