Institution
Bibliothèque Nationale et Universitaire de Strasbourg
37
University Library of Regensburg
31
Universitätsbibliothek der Humboldt-Universität zu Berlin
30
Bavarian State Library
27
Library service of the University of Strasbourg
11
University Library of Greifswald
3
Zentralbibliothek Zürich
3
National Library of Sweden - Kungliga biblioteket
2
University and Regional Library of Tyrol
1