Institution
University Library of Regensburg
167
Universitätsbibliothek der Humboldt-Universität zu Berlin
105
Bavarian State Library
94
University Library of Greifswald
33
Zentralbibliothek Zürich
12
Bern University Library
4
Basel University Library
3
University of Graz
1
Saxon State and University Library
1
University and Regional Library of Tyrol
1