Institution
Bavarian State Library
39
Bibliothèque Nationale et Universitaire de Strasbourg
16
University Library of Regensburg
15
Universitätsbibliothek der Humboldt-Universität zu Berlin
12
Zentralbibliothek Zürich
4
University of Graz
2
Library of the Academy of Sciences of the Czech Republic
2
Basel University Library
1
University Library of Greifswald
1
University and Regional Library of Tyrol
1
Uppsala University Library
1