Institution
Bavarian State Library
19
Saxon State and University Library
17
Universitätsbibliothek der Humboldt-Universität zu Berlin
9
Zentralbibliothek Zürich
9
Basel University Library
2
University Library of Regensburg
2
National Library of Sweden - Kungliga biblioteket
1
Bern University Library
1
Library service of the University of Strasbourg
1
UiT The Arctic University of Norway - University library
1