Institution
University Library of Regensburg
21
Bavarian State Library
14
Universitätsbibliothek der Humboldt-Universität zu Berlin
11
Library service of the University of Strasbourg
5
National Library of Sweden - Kungliga biblioteket
4
Basel University Library
1
Academic health library (Paris)
1
University of Graz
1
National Library of Estonia
1
Bern University Library
1
Zentralbibliothek Zürich
1