Institution
Saxon State and University Library
162
Bavarian State Library
8
University Library of Regensburg
4
Bibliothèque Nationale et Universitaire de Strasbourg
3
Universitätsbibliothek der Humboldt-Universität zu Berlin
2
Library of the Academy of Sciences of the Czech Republic
1
National Library of Sweden - Kungliga biblioteket
1
Library service of the University of Strasbourg
1
Uppsala University Library
1
Research Library Olomouc
1
Zentralbibliothek Zürich
1