Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
27
Bavarian State Library
23
University Library of Regensburg
10
Zentralbibliothek Zürich
6
University Library of Greifswald
3
Academic health library (Paris)
2
Bern University Library
2
University of Graz
1
Library service of the University of Strasbourg
1