Institution
Bavarian State Library
42
University Library of Regensburg
21
Bibliothèque Nationale et Universitaire de Strasbourg
19
Universitätsbibliothek der Humboldt-Universität zu Berlin
19
Zentralbibliothek Zürich
11
University Library of Greifswald
2
National Library of Sweden - Kungliga biblioteket
2
Bern University Library
2
Library service of the University of Strasbourg
2
University and Regional Library of Tyrol
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
Saxon State and University Library
1
Uppsala University Library
1