Institution
University Library of Regensburg
30
Bavarian State Library
24
Universitätsbibliothek der Humboldt-Universität zu Berlin
24
Bibliothèque Nationale et Universitaire de Strasbourg
12
Library service of the University of Strasbourg
7
University Library of Greifswald
2
National Library of Sweden - Kungliga biblioteket
1
University and Regional Library of Tyrol
1
Vienna City Library
1
Zentralbibliothek Zürich
1