Institution
Bibliothèque Nationale et Universitaire de Strasbourg
32
Bavarian State Library
28
Universitätsbibliothek der Humboldt-Universität zu Berlin
16
University Library of Regensburg
14
Library service of the University of Strasbourg
14
National Library of Sweden - Kungliga biblioteket
10
Zentralbibliothek Zürich
5
University and Regional Library of Tyrol
4
University Library Salzburg
1