Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
88
University Library of Regensburg
60
Bavarian State Library
9
University Library of Greifswald
7
University of Graz
2
Bern University Library
2
Basel University Library
1
Library Am Guisanplatz
1
University and Regional Library of Tyrol
1
Zentralbibliothek Zürich
1