Institution
University of Graz
33
Universitätsbibliothek der Humboldt-Universität zu Berlin
29
Bavarian State Library
28
University Library of Regensburg
27
University Library Salzburg
22
Vienna City Library
22
University and Regional Library of Tyrol
14
National Library of Sweden - Kungliga biblioteket
13
Saxon State and University Library
9
Zentralbibliothek Zürich
5
Basel University Library
3
University Library of Greifswald
3
National Library of the Czech Republic
3
National Library of Estonia
3
National and University Library, Slovenia
3
Library Am Guisanplatz
1
The Swiss National Library
1