Institution
University Library of Regensburg
9
Universitätsbibliothek der Humboldt-Universität zu Berlin
5
Bavarian State Library
4
National Library of Estonia
3
Bibliothèque Nationale et Universitaire de Strasbourg
2
University Library of Greifswald
1
National Library of the Czech Republic
1
National Library of Sweden - Kungliga biblioteket
1
Saxon State and University Library
1
Library service of the University of Strasbourg
1
Zentralbibliothek Zürich
1