Institution
Bavarian State Library
113
University Library of Regensburg
107
Universitätsbibliothek der Humboldt-Universität zu Berlin
102
Basel University Library
39
Bern University Library
30
University Library of Greifswald
9
Zentralbibliothek Zürich
7
Saxon State and University Library
2
Bibliothèque Nationale et Universitaire de Strasbourg
1
Library service of the University of Strasbourg
1