Institution
University Library of Regensburg
36
Universitätsbibliothek der Humboldt-Universität zu Berlin
31
University Library of Greifswald
28
Bavarian State Library
25
Zentralbibliothek Zürich
7
Basel University Library
5
University and Regional Library of Tyrol
3
University of Graz
1
Saxon State and University Library
1