Institution
Bavarian State Library
76
University Library of Regensburg
66
Universitätsbibliothek der Humboldt-Universität zu Berlin
61
Zentralbibliothek Zürich
10
Academic health library (Paris)
2
Bern University Library
2
University Library of Greifswald
1
University of Graz
1
National Library of Sweden - Kungliga biblioteket
1