Institution
University Library of Regensburg
12
Bavarian State Library
10
Universitätsbibliothek der Humboldt-Universität zu Berlin
6
Saxon State and University Library
2
Basel University Library
1
Bibliothèque Nationale et Universitaire de Strasbourg
1
Library of the Academy of Sciences of the Czech Republic
1
Vienna University Library
1
Zentralbibliothek Zürich
1