Institution
University Library of Regensburg
167
Bavarian State Library
131
University Library of Greifswald
46
Universitätsbibliothek der Humboldt-Universität zu Berlin
24
Basel University Library
22
Bern University Library
13
Zentralbibliothek Zürich
9
University and Regional Library of Tyrol
4
Saxon State and University Library
2
University of Graz
1