Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
126
Basel University Library
103
Bern University Library
93
Bavarian State Library
83
University Library of Regensburg
69
Saxon State and University Library
54
Zentralbibliothek Zürich
26
University and Regional Library of Tyrol
16
University of Graz
12
University Library of Greifswald
8
University Library Salzburg
6
Vienna City Library
5
Library Am Guisanplatz
1