Institution
Saxon State and University Library
45
Universitätsbibliothek der Humboldt-Universität zu Berlin
42
University Library of Regensburg
34
University Library of Greifswald
31
Basel University Library
15
Bern University Library
11
Bavarian State Library
9
University and Regional Library of Tyrol
8
University of Graz
7
University Library Salzburg
7
Zentralbibliothek Zürich
6
Vienna City Library
1