Institution
University Library of Regensburg
257
Universitätsbibliothek der Humboldt-Universität zu Berlin
246
Bavarian State Library
157
Zentralbibliothek Zürich
17
University Library of Greifswald
6
University and Regional Library of Tyrol
6
University of Graz
5
Academic health library (Paris)
4
University Library Salzburg
3
Library service of the University of Strasbourg
3
Saxon State and University Library
2
Basel University Library
1
National Library of Sweden - Kungliga biblioteket
1