Institution
Bavarian State Library
78
Basel University Library
73
Universitätsbibliothek der Humboldt-Universität zu Berlin
33
National Library of the Czech Republic
29
Zentralbibliothek Zürich
10
Saxon State and University Library
4
University Library of Greifswald
3
University Library of Regensburg
3
Moravian Library in Brno
2
National Library of Sweden - Kungliga biblioteket
2
Bern University Library
2
University Library Salzburg
2
Vienna City Library
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University of Graz
1
National Library of Estonia
1
University Library in Bratislava
1
Research Library Olomouc
1