Institution
Uppsala University Library
8
Bavarian State Library
5
Bern University Library
4
Universitätsbibliothek der Humboldt-Universität zu Berlin
4
Basel University Library
3
University Library of Regensburg
2
University Library of Greifswald
1
National Library of Sweden - Kungliga biblioteket
1
Zentralbibliothek Zürich
1