Institution
Bavarian State Library
112
Bern University Library
108
University Library of Regensburg
67
Universitätsbibliothek der Humboldt-Universität zu Berlin
53
National Library of Sweden - Kungliga biblioteket
21
Basel University Library
20
University Library of Greifswald
14
Uppsala University Library
4
University of Graz
2
Zentralbibliothek Zürich
2