Institution
University Library of Regensburg
297
Universitätsbibliothek der Humboldt-Universität zu Berlin
222
Bavarian State Library
164
Zentralbibliothek Zürich
13
Bern University Library
7
University and Regional Library of Tyrol
4
University of Graz
3
University Library Salzburg
2
Basel University Library
1
Vienna City Library
1