Institution
Bavarian State Library
15
Universitätsbibliothek der Humboldt-Universität zu Berlin
13
Zentralbibliothek Zürich
7
University Library of Regensburg
4
Bibliothèque Nationale et Universitaire de Strasbourg
2
University of Graz
2
National Library of Sweden - Kungliga biblioteket
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University Library of Greifswald
1
Masaryk University, Faculty of Arts
1
Library service of the University of Strasbourg
1