Institution
Saxon State and University Library
38
Bibliothèque Nationale et Universitaire de Strasbourg
26
Bavarian State Library
9
Toulouse and Midi-Pyrénées Universities Libraries Network
9
University Library of Regensburg
4
Library service of the University of Strasbourg
4
Universitätsbibliothek der Humboldt-Universität zu Berlin
2
National Library of Sweden - Kungliga biblioteket
1
University Library Salzburg
1
Zentralbibliothek Zürich
1