Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
727
Bavarian State Library
613
University Library of Regensburg
458
Zentralbibliothek Zürich
90
Basel University Library
37
Bern University Library
25
University and Regional Library of Tyrol
16
University of Graz
12
Library Am Guisanplatz
3
University Library of Greifswald
2