Institution
Bavarian State Library
23
University Library of Regensburg
23
Bibliothèque Nationale et Universitaire de Strasbourg
19
Universitätsbibliothek der Humboldt-Universität zu Berlin
16
Zentralbibliothek Zürich
9
University Library of Greifswald
2
National Library of Sweden - Kungliga biblioteket
2
Library service of the University of Strasbourg
2
University and Regional Library of Tyrol
2
Saxon State and University Library
1
University Library Salzburg
1