Institution
Bavarian State Library
816
Zentralbibliothek Zürich
138
University Library of Regensburg
74
Basel University Library
59
Bern University Library
48
Universitätsbibliothek der Humboldt-Universität zu Berlin
15
Library Am Guisanplatz
3
University Library Salzburg
3
Vienna University Library
3
University and Regional Library of Tyrol
2
University of Graz
1
Saxon State and University Library
1