Institution
Zentralbibliothek Zürich
4
Library service of the University of Strasbourg
3
Bavarian State Library
2
University Library of Greifswald
2
Basel University Library
1
National Library of Sweden - Kungliga biblioteket
1
National and University Library, Slovenia
1
Universitätsbibliothek der Humboldt-Universität zu Berlin
1
University Library of Regensburg
1