Institution
University Library of Regensburg
54
Universitätsbibliothek der Humboldt-Universität zu Berlin
45
Bavarian State Library
25
University Library of Greifswald
7
Bibliothèque Nationale et Universitaire de Strasbourg
6
Zentralbibliothek Zürich
3
Library service of the University of Strasbourg
2
UiT The Arctic University of Norway - University library
2
University of Graz
1