Institution
Bavarian State Library
489
University Library of Regensburg
67
National Library of Sweden - Kungliga biblioteket
26
Saxon State and University Library
8
University Library of Greifswald
2
Zentralbibliothek Zürich
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
Bern University Library
1
University and Regional Library of Tyrol
1