Institution
University Library of Regensburg
80
Universitätsbibliothek der Humboldt-Universität zu Berlin
68
Bavarian State Library
61
Zentralbibliothek Zürich
14
University Library of Greifswald
7
University and Regional Library of Tyrol
5
University of Graz
3
Saxon State and University Library
3
Academic health library (Paris)
1
Bern University Library
1