Institution
University Library of Regensburg
657
Bavarian State Library
360
Universitätsbibliothek der Humboldt-Universität zu Berlin
269
University Library of Greifswald
170
Basel University Library
119
Bern University Library
111
The Swiss National Library
6
Saxon State and University Library
4
Zentralbibliothek Zürich
4
Library Am Guisanplatz
1