Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
80
University Library of Regensburg
80
Bavarian State Library
55
Zentralbibliothek Zürich
7
University Library of Greifswald
4
Basel University Library
2
University of Graz
2
Bern University Library
2
Library service of the University of Strasbourg
2
University and Regional Library of Tyrol
1
Vienna City Library
1