Institution
Bavarian State Library
62
University Library of Regensburg
45
Universitätsbibliothek der Humboldt-Universität zu Berlin
34
Zentralbibliothek Zürich
16
University Library of Greifswald
3
University of Graz
2
National Library of Sweden - Kungliga biblioteket
2
Bern University Library
2
University and Regional Library of Tyrol
2
Basel University Library
1
Saxon State and University Library
1
Uppsala University Library
1