Institution
Bavarian State Library
220
University Library of Regensburg
65
Zentralbibliothek Zürich
56
Universitätsbibliothek der Humboldt-Universität zu Berlin
50
Bern University Library
7
University Library of Greifswald
6
Saxon State and University Library
2
University and Regional Library of Tyrol
2
University of Graz
1
Martin-Opitz Bibliothek Herne
1
Vienna University Library
1