Institution
Bibliothèque Nationale et Universitaire de Strasbourg
57
Bavarian State Library
40
Universitätsbibliothek der Humboldt-Universität zu Berlin
14
Library service of the University of Strasbourg
13
University Library of Regensburg
7
Zentralbibliothek Zürich
7
Library of the Academy of Sciences of the Czech Republic
6
National Library of Sweden - Kungliga biblioteket
1
Bern University Library
1
University and Regional Library of Tyrol
1
Research Library Olomouc
1