Institution
University Library of Regensburg
28
Bavarian State Library
26
University Library of Greifswald
15
Universitätsbibliothek der Humboldt-Universität zu Berlin
13
Saxon State and University Library
10
Bibliothèque Nationale et Universitaire de Strasbourg
2
Zentralbibliothek Zürich
2
Basel University Library
1
Bern University Library
1