Institution
University Library of Regensburg
155
Bavarian State Library
132
Saxon State and University Library
34
The Swiss National Library
23
Bern University Library
17
Universitätsbibliothek der Humboldt-Universität zu Berlin
16
Zentralbibliothek Zürich
12
Library of the Academy of Sciences of the Czech Republic
10
Basel University Library
8
University of Graz
5
University Library Salzburg
5
University and Regional Library of Tyrol
4
University Library of Greifswald
3
National Library of Estonia
3
National Library of Sweden - Kungliga biblioteket
2
National Library of the Czech Republic
1
Library service of the University of Strasbourg
1
University of Tartu Library
1
Vienna City Library
1