Institution
Bavarian State Library
85
Toulouse and Midi-Pyrénées Universities Libraries Network
38
Zentralbibliothek Zürich
15
University Library of Regensburg
9
Bern University Library
3
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
Basel University Library
1
Library of the Academy of Sciences of the Czech Republic
1
National Library of Sweden - Kungliga biblioteket
1
Saxon State and University Library
1