Institution
University Library of Regensburg
38
Bibliothèque Nationale et Universitaire de Strasbourg
20
Bavarian State Library
11
University Library Salzburg
5
Zentralbibliothek Zürich
5
University Library of Greifswald
3
National Library of Sweden - Kungliga biblioteket
3
Saxon State and University Library
3
Vienna City Library
3
Basel University Library
2
Toulouse and Midi-Pyrénées Universities Libraries Network
2
The Swiss National Library
2
Bern University Library
2
Vienna University Library
2
National Library of Portugal
1
University of Graz
1
National Library of the Czech Republic
1
Library service of the University of Strasbourg
1
University and Regional Library of Tyrol
1