Institution
Saxon State and University Library
83
University Library of Regensburg
62
Bavarian State Library
37
Universitätsbibliothek der Humboldt-Universität zu Berlin
33
Bibliothèque Nationale et Universitaire de Strasbourg
23
Zentralbibliothek Zürich
9
University of Graz
5
Library service of the University of Strasbourg
3
University Library of Greifswald
1
University and Regional Library of Tyrol
1
Uppsala University Library
1