Institution
Vienna University Library
153
University Library of Regensburg
94
Basel University Library
55
Bibliotheken Schaffhausen
54
Universitätsbibliothek der Humboldt-Universität zu Berlin
50
Zentralbibliothek Zürich
45
Saxon State and University Library
39
Bern University Library
35
The Swiss National Library
13
Vienna City Library
12
University and Regional Library of Tyrol
11
University Library Salzburg
10
University of Graz
3
University Library in Bratislava
1