Institution
University Library of Regensburg
193
Universitätsbibliothek der Humboldt-Universität zu Berlin
164
Bavarian State Library
102
Bern University Library
5
Zentralbibliothek Zürich
5
University of Graz
4
National Library of Sweden - Kungliga biblioteket
4
University and Regional Library of Tyrol
4
University Library of Greifswald
3
Vienna City Library
3
Basel University Library
2
University Library Salzburg
2
Bibliothèque Nationale et Universitaire de Strasbourg
1
The Swiss National Library
1
Library service of the University of Strasbourg
1