Institution
University Library of Regensburg
9
Universitätsbibliothek der Humboldt-Universität zu Berlin
6
Bavarian State Library
5
Zentralbibliothek Zürich
3
Basel University Library
1
National Library of Sweden - Kungliga biblioteket
1
Bern University Library
1
Library service of the University of Strasbourg
1
University and Regional Library of Tyrol
1