Institution
Bavarian State Library
182
Universitätsbibliothek der Humboldt-Universität zu Berlin
119
University Library of Regensburg
85
University Library of Greifswald
19
Zentralbibliothek Zürich
16
Basel University Library
2
Saxon State and University Library
2
University and Regional Library of Tyrol
2
University of Graz
1
University Library Salzburg
1