Institution
Saxon State and University Library
38
Bavarian State Library
31
Universitätsbibliothek der Humboldt-Universität zu Berlin
24
Zentralbibliothek Zürich
19
Library of the Academy of Sciences of the Czech Republic
16
University Library of Regensburg
12
National Library of Sweden - Kungliga biblioteket
7
University and Regional Library of Tyrol
6
University Library of Greifswald
3
Bern University Library
3
Research Library Olomouc
3
Basel University Library
2
Toulouse and Midi-Pyrénées Universities Libraries Network
2
University of Graz
1
National Library of the Czech Republic
1
University Library Salzburg
1