Institution
University Library of Regensburg
30
Universitätsbibliothek der Humboldt-Universität zu Berlin
27
Bibliothèque Nationale et Universitaire de Strasbourg
15
Bavarian State Library
12
Library service of the University of Strasbourg
5
University and Regional Library of Tyrol
2
Zentralbibliothek Zürich
2
Basel University Library
1
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University Library of Greifswald
1
University of Graz
1
The Swiss National Library
1
Bern University Library
1