Institution
Bavarian State Library
205
University Library of Regensburg
32
Universitätsbibliothek der Humboldt-Universität zu Berlin
18
Basel University Library
10
Bern University Library
6
Saxon State and University Library
4
Zentralbibliothek Zürich
3
Bibliothèque Nationale et Universitaire de Strasbourg
1
University Library of Greifswald
1