Institution
University Library of Regensburg
16
Bavarian State Library
10
Universitätsbibliothek der Humboldt-Universität zu Berlin
10
Bibliothèque Nationale et Universitaire de Strasbourg
7
Zentralbibliothek Zürich
6
University and Regional Library of Tyrol
2
University of Tartu Library
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University Library of Greifswald
1