Institution
Basel University Library
2,352
Bern University Library
167
University Library of Regensburg
90
Bavarian State Library
23
Universitätsbibliothek der Humboldt-Universität zu Berlin
21
Saxon State and University Library
13
University and Regional Library of Tyrol
12
Vienna City Library
9
University Library Salzburg
6
University of Graz
4
Zentralbibliothek Zürich
3
University Library of Greifswald
1