Institution
University Library of Regensburg
195
Bavarian State Library
104
Bibliothèque Nationale et Universitaire de Strasbourg
46
Universitätsbibliothek der Humboldt-Universität zu Berlin
40
Zentralbibliothek Zürich
40
Saxon State and University Library
9
University and Regional Library of Tyrol
9
Library of the Academy of Sciences of the Czech Republic
7
Library service of the University of Strasbourg
7
National Library of Sweden - Kungliga biblioteket
6
University Library Salzburg
6
University of Graz
5
Bern University Library
3
Toulouse and Midi-Pyrénées Universities Libraries Network
2
Basel University Library
1
National Library of Portugal
1
The Swiss National Library
1
National Library of the Czech Republic
1
Research Library Olomouc
1