Institution
Saxon State and University Library
30
University Library of Greifswald
18
Universitätsbibliothek der Humboldt-Universität zu Berlin
14
University Library of Regensburg
11
University and Regional Library of Tyrol
4
Basel University Library
1
University of Graz
1
Bern University Library
1
Zentralbibliothek Zürich
1