Institution
University Library of Greifswald
173
Universitätsbibliothek der Humboldt-Universität zu Berlin
48
Bavarian State Library
42
University Library of Regensburg
38
Basel University Library
19
Bern University Library
14
Zentralbibliothek Zürich
4
Bibliothèque Nationale et Universitaire de Strasbourg
2
Saxon State and University Library
2