Institution
Bavarian State Library
20
University Library of Regensburg
10
Universitätsbibliothek der Humboldt-Universität zu Berlin
8
Saxon State and University Library
6
Bibliothèque Nationale et Universitaire de Strasbourg
5
Zentralbibliothek Zürich
5
Library service of the University of Strasbourg
4
University Library of Greifswald
1
University of Graz
1
National Library of Sweden - Kungliga biblioteket
1
University and Regional Library of Tyrol
1