Institution
Bavarian State Library
3
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
Zentralbibliothek Zürich
2
Basel University Library
1
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University of Graz
1
Saxon State and University Library
1
Bern University Library
1
University Library of Regensburg
1
University and Regional Library of Tyrol
1