Institution
University Library of Regensburg
18
Universitätsbibliothek der Humboldt-Universität zu Berlin
11
Bibliothèque Nationale et Universitaire de Strasbourg
10
Bavarian State Library
9
Saxon State and University Library
2
Library service of the University of Strasbourg
2
Zentralbibliothek Zürich
2
Basel University Library
1
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University of Graz
1
National Library of Sweden - Kungliga biblioteket
1
Bern University Library
1
University Library Salzburg
1