Institution
Bavarian State Library
17
Saxon State and University Library
6
Moravian Library in Brno
4
Universitätsbibliothek der Humboldt-Universität zu Berlin
4
University Library of Regensburg
4
University Library of Greifswald
3
Library of the Academy of Sciences of the Czech Republic
3
The Swiss National Library
2
Bern University Library
2
Basel University Library
1
Toulouse and Midi-Pyrénées Universities Libraries Network
1
National Library of Sweden - Kungliga biblioteket
1
Zentralbibliothek Zürich
1