Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
24
Saxon State and University Library
14
University Library of Regensburg
8
Bavarian State Library
5
University Library of Greifswald
3
Basel University Library
1
University of Graz
1
Bern University Library
1
University Library Salzburg
1
University and Regional Library of Tyrol
1