Institution
Bavarian State Library
14
Bibliothèque Nationale et Universitaire de Strasbourg
9
Universitätsbibliothek der Humboldt-Universität zu Berlin
3
University Library of Regensburg
2
Zentralbibliothek Zürich
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
Bern University Library
1
Library service of the University of Strasbourg
1