Institution
University Library of Regensburg
115
Bavarian State Library
106
Saxon State and University Library
19
Library of the Academy of Sciences of the Czech Republic
10
Universitätsbibliothek der Humboldt-Universität zu Berlin
10
Zentralbibliothek Zürich
8
University Library Salzburg
5
Basel University Library
4
The Swiss National Library
4
University Library of Greifswald
2
National Library of Estonia
2
National Library of Sweden - Kungliga biblioteket
2
Bern University Library
2
University of Graz
1
National Library of the Czech Republic
1
Library service of the University of Strasbourg
1
University and Regional Library of Tyrol
1
University of Tartu Library
1