Institution
Bavarian State Library
20
Zentralbibliothek Zürich
8
Universitätsbibliothek der Humboldt-Universität zu Berlin
5
University Library of Regensburg
5
Library service of the University of Strasbourg
4
Saxon State and University Library
2
Basel University Library
1
Academic health library (Paris)
1
University of Graz
1
Bern University Library
1
University and Regional Library of Tyrol
1