Institution
University Library of Regensburg
639
Universitätsbibliothek der Humboldt-Universität zu Berlin
373
University of Graz
9
University Library of Greifswald
8
Bavarian State Library
7
Basel University Library
2
University Library Salzburg
2
University and Regional Library of Tyrol
2
Zentralbibliothek Zürich
1