Institution
Basel University Library
94
Zentralbibliothek Zürich
42
University Library of Regensburg
35
Bern University Library
25
Saxon State and University Library
9
University and Regional Library of Tyrol
8
University Library Salzburg
7
University of Graz
6
Universitätsbibliothek der Humboldt-Universität zu Berlin
6
The Swiss National Library
4