Institution
Zentralbibliothek Zürich
20
Bavarian State Library
17
Bibliothèque Nationale et Universitaire de Strasbourg
15
University Library of Regensburg
14
Toulouse and Midi-Pyrénées Universities Libraries Network
4
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
National Library of Sweden - Kungliga biblioteket
1
University Library Salzburg
1
Library service of the University of Strasbourg
1