Institution
Bavarian State Library
8
University Library of Regensburg
5
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
University and Regional Library of Tyrol
3
Zentralbibliothek Zürich
3
Toulouse and Midi-Pyrénées Universities Libraries Network
2
University Library of Greifswald
1
National Library of Sweden - Kungliga biblioteket
1