Institution
Bavarian State Library
128
University Library of Greifswald
98
University of Tartu Library
74
University Library of Regensburg
58
Bern University Library
43
Universitätsbibliothek der Humboldt-Universität zu Berlin
34
Basel University Library
12
National Library of Estonia
6
Saxon State and University Library
3
National Library of Sweden - Kungliga biblioteket
2
Zentralbibliothek Zürich
2
National Library of Technology (Czech Republic)
1
Bibliotheken Schaffhausen
1