Institution
Bavarian State Library
33
University Library of Regensburg
16
Universitätsbibliothek der Humboldt-Universität zu Berlin
14
University and Regional Library of Tyrol
14
University Library of Greifswald
3
Basel University Library
1
University of Graz
1
Saxon State and University Library
1
Bern University Library
1
Vienna City Library
1
Zentralbibliothek Zürich
1