Institution
Basel University Library
4,655
Bern University Library
218
University Library of Regensburg
81
Bavarian State Library
72
Universitätsbibliothek der Humboldt-Universität zu Berlin
19
Saxon State and University Library
14
University and Regional Library of Tyrol
12
Vienna City Library
10
University Library Salzburg
6
University of Graz
3
Zentralbibliothek Zürich
3
Library Am Guisanplatz
1
University Library of Greifswald
1