Institution
Bavarian State Library
60
University Library of Regensburg
55
Library of the Academy of Sciences of the Czech Republic
48
Universitätsbibliothek der Humboldt-Universität zu Berlin
43
Bibliothèque Nationale et Universitaire de Strasbourg
16
Zentralbibliothek Zürich
13
Uppsala University Library
7
National Library of Sweden - Kungliga biblioteket
6
Saxon State and University Library
5
University and Regional Library of Tyrol
5
University Library of Greifswald
4
Basel University Library
3
University of Graz
1
Bern University Library
1
UiT The Arctic University of Norway - University library
1