Institution
Bavarian State Library
190
University Library of Regensburg
172
Universitätsbibliothek der Humboldt-Universität zu Berlin
152
Zentralbibliothek Zürich
16
University Library of Greifswald
15
University and Regional Library of Tyrol
7
University of Graz
2
Saxon State and University Library
2
Basel University Library
1