Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
15
University Library in Bratislava
15
Library of the Academy of Sciences of the Czech Republic
14
National Library of the Czech Republic
14
University Library Salzburg
8
Bavarian State Library
6
Moravian Library in Brno
3
Saxon State and University Library
3
Library service of the University of Strasbourg
3
Research Library Olomouc
3
National Library of Estonia
2
University Library of Regensburg
2
Vienna University Library
2
Umeå University Library
2
Bern University Library
1
Uppsala University Library
1
Zentralbibliothek Zürich
1