Institution
University Library of Regensburg
255
Bavarian State Library
137
Universitätsbibliothek der Humboldt-Universität zu Berlin
83
University Library of Greifswald
47
Basel University Library
31
Bern University Library
26
Zentralbibliothek Zürich
8
National Library of Sweden - Kungliga biblioteket
5
Bibliothèque Nationale et Universitaire de Strasbourg
3
Saxon State and University Library
3
Uppsala University Library
1