Institution
Bern University Library
17
Basel University Library
10
Vienna City Library
4
National Library of the Czech Republic
3
University Library of Regensburg
3
Universitätsbibliothek der Humboldt-Universität zu Berlin
2
University Library Salzburg
2
Research Library Olomouc
2
University Library of Greifswald
1
University of Graz
1
University and Regional Library of Tyrol
1