Institution
University Library of Regensburg
74
Bavarian State Library
62
Universitätsbibliothek der Humboldt-Universität zu Berlin
35
Zentralbibliothek Zürich
15
Bibliothèque Nationale et Universitaire de Strasbourg
10
University of Graz
5
Saxon State and University Library
5
University and Regional Library of Tyrol
4
Toulouse and Midi-Pyrénées Universities Libraries Network
3
Library service of the University of Strasbourg
3
University Library of Greifswald
2
National and University Library, Slovenia
2
Basel University Library
1