Institution
University Library of Regensburg
280
Bavarian State Library
244
Universitätsbibliothek der Humboldt-Universität zu Berlin
207
Zentralbibliothek Zürich
17
University Library of Greifswald
11
University of Graz
9
University and Regional Library of Tyrol
8
National Library of Sweden - Kungliga biblioteket
1
Saxon State and University Library
1
Bern University Library
1
Vienna University Library
1