Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
112
University Library of Regensburg
53
Bavarian State Library
19
University Library of Greifswald
16
Basel University Library
6
Bern University Library
4
Library Am Guisanplatz
2
University of Graz
1
University Library Salzburg
1
University and Regional Library of Tyrol
1
Zentralbibliothek Zürich
1