Institution
University Library of Regensburg
43
Universitätsbibliothek der Humboldt-Universität zu Berlin
35
Bavarian State Library
17
University and Regional Library of Tyrol
2
Zentralbibliothek Zürich
2
Basel University Library
1
University Library of Greifswald
1
Library of the Academy of Sciences of the Czech Republic
1
Bern University Library
1
Library service of the University of Strasbourg
1