Institution
University Library of Regensburg
34
Bavarian State Library
21
Universitätsbibliothek der Humboldt-Universität zu Berlin
14
University of Graz
4
Zentralbibliothek Zürich
3
University and Regional Library of Tyrol
2
Academic health library (Paris)
1
University Library of Greifswald
1
Bern University Library
1
University Library Salzburg
1