Institution
University Library of Greifswald
452
Bavarian State Library
66
National Library of Sweden - Kungliga biblioteket
27
University Library of Regensburg
25
Universitätsbibliothek der Humboldt-Universität zu Berlin
17
Uppsala University Library
13
Zentralbibliothek Zürich
5
Basel University Library
4
Bern University Library
1
University and Regional Library of Tyrol
1