Institution
Bavarian State Library
183
University Library of Regensburg
182
Universitätsbibliothek der Humboldt-Universität zu Berlin
170
Zentralbibliothek Zürich
30
National Library of Sweden - Kungliga biblioteket
18
University Library of Greifswald
8
University of Graz
4
Bern University Library
3
University and Regional Library of Tyrol
2
Basel University Library
1
Saxon State and University Library
1
Library service of the University of Strasbourg
1