Institution
Bavarian State Library
12
Saxon State and University Library
6
University Library of Regensburg
5
Universitätsbibliothek der Humboldt-Universität zu Berlin
4
Zentralbibliothek Zürich
4
University Library of Greifswald
1
Bern University Library
1
University Library Salzburg
1
University and Regional Library of Tyrol
1