Institution
Bavarian State Library
146
University Library of Regensburg
75
Universitätsbibliothek der Humboldt-Universität zu Berlin
34
Zentralbibliothek Zürich
11
University Library of Greifswald
8
Basel University Library
4
University of Graz
2
Academic health library (Paris)
1
Saxon State and University Library
1
Vienna University Library
1
University and Regional Library of Tyrol
1