Institution
Bavarian State Library
57
Universitätsbibliothek der Humboldt-Universität zu Berlin
49
University Library of Regensburg
43
Zentralbibliothek Zürich
25
University and Regional Library of Tyrol
10
University of Graz
5
University Library of Greifswald
4
Basel University Library
2
Saxon State and University Library
2
Bern University Library
1
Library service of the University of Strasbourg
1