Institution
Bibliothèque Nationale et Universitaire de Strasbourg
8
Universitätsbibliothek der Humboldt-Universität zu Berlin
7
Bavarian State Library
6
Library service of the University of Strasbourg
6
University Library of Regensburg
3
Zentralbibliothek Zürich
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University Library of Greifswald
1
National and University Library, Slovenia
1