Institution
University Library of Regensburg
22
University Library of Greifswald
14
Universitätsbibliothek der Humboldt-Universität zu Berlin
9
Bern University Library
7
Basel University Library
6
University and Regional Library of Tyrol
5
Saxon State and University Library
4
The Swiss National Library
2
Vienna City Library
2
University of Graz
1
University Library Salzburg
1