Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
73
University Library of Regensburg
55
Bavarian State Library
39
Saxon State and University Library
35
University Library of Greifswald
12
Basel University Library
9
University of Graz
9
Bern University Library
4
University Library Salzburg
4
University and Regional Library of Tyrol
4
Vienna City Library
2
Zentralbibliothek Zürich
1