Institution
University Library of Regensburg
25
Universitätsbibliothek der Humboldt-Universität zu Berlin
15
Basel University Library
10
Bern University Library
10
Bavarian State Library
8
Zentralbibliothek Zürich
5
University Library of Greifswald
4
Saxon State and University Library
3
University and Regional Library of Tyrol
3
University of Graz
1
University Library Salzburg
1