Institution
Bavarian State Library
10
University Library of Regensburg
7
Saxon State and University Library
6
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
Toulouse and Midi-Pyrénées Universities Libraries Network
2
National Library of Sweden - Kungliga biblioteket
2
Zentralbibliothek Zürich
2
University and Regional Library of Tyrol
1