Institution
Bavarian State Library
48
Basel University Library
10
Universitätsbibliothek der Humboldt-Universität zu Berlin
10
Saxon State and University Library
8
Bern University Library
6
University Library of Regensburg
6
University Library of Greifswald
2
University of Graz
2
University and Regional Library of Tyrol
1
Zentralbibliothek Zürich
1