Institution
Saxon State and University Library
18
University Library of Regensburg
17
Basel University Library
13
Zentralbibliothek Zürich
11
Bavarian State Library
10
Bern University Library
10
Universitätsbibliothek der Humboldt-Universität zu Berlin
6
University Library of Greifswald
3
University Library Salzburg
3
University of Graz
2
University and Regional Library of Tyrol
2