Institution
Library service of the University of Strasbourg
50
Universitätsbibliothek der Humboldt-Universität zu Berlin
19
Bavarian State Library
6
National Library of Sweden - Kungliga biblioteket
4
University Library of Regensburg
4
Toulouse and Midi-Pyrénées Universities Libraries Network
3
Zentralbibliothek Zürich
2
University Library Salzburg
1