Institution
Bavarian State Library
40
University Library of Regensburg
19
National Library of Sweden - Kungliga biblioteket
12
Zentralbibliothek Zürich
11
Universitätsbibliothek der Humboldt-Universität zu Berlin
9
University Library of Greifswald
3
Basel University Library
1
Toulouse and Midi-Pyrénées Universities Libraries Network
1
Bern University Library
1
University and Regional Library of Tyrol
1