Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
126
Bavarian State Library
84
Saxon State and University Library
46
University Library of Regensburg
38
Zentralbibliothek Zürich
36
University and Regional Library of Tyrol
8
University of Graz
6
University Library of Greifswald
5
National Library of Sweden - Kungliga biblioteket
4
Basel University Library
2
Bern University Library
1