Institution
Bavarian State Library
14
University Library of Regensburg
8
Bibliothèque Nationale et Universitaire de Strasbourg
7
Bern University Library
7
Library of the Academy of Sciences of the Czech Republic
5
Library service of the University of Strasbourg
4
Martin-Opitz Bibliothek Herne
3
Zentralbibliothek Zürich
3
National Library of Estonia
2
National Library of Sweden - Kungliga biblioteket
2
National and University Library, Slovenia
2
University of Tartu Library
2
Basel University Library
1
Saxon State and University Library
1
Research Library Olomouc
1