Institution
Bavarian State Library
34
University Library of Regensburg
12
Saxon State and University Library
9
Universitätsbibliothek der Humboldt-Universität zu Berlin
7
University and Regional Library of Tyrol
5
Basel University Library
4
University of Graz
4
Bern University Library
3
University Library of Greifswald
2
University Library Salzburg
1
Zentralbibliothek Zürich
1