Institution
Zentralbibliothek Zürich
19
Bavarian State Library
12
University Library of Regensburg
6
Universitätsbibliothek der Humboldt-Universität zu Berlin
4
Saxon State and University Library
3
National Library of Sweden - Kungliga biblioteket
2
Bern University Library
2
Basel University Library
1
Toulouse and Midi-Pyrénées Universities Libraries Network
1
Library service of the University of Strasbourg
1
University and Regional Library of Tyrol
1