Institution
University Library of Regensburg
19
Bavarian State Library
13
Universitätsbibliothek der Humboldt-Universität zu Berlin
11
Library service of the University of Strasbourg
6
National Library of the Czech Republic
4
Bern University Library
4
Zentralbibliothek Zürich
3
Basel University Library
2
University Library of Greifswald
2
Moravian Library in Brno
2
National Library of Sweden - Kungliga biblioteket
2
University of Graz
1
National Library of Technology (Czech Republic)
1
University and Regional Library of Tyrol
1