Institution
Bavarian State Library
42
University Library of Regensburg
38
Basel University Library
30
Bern University Library
27
Universitätsbibliothek der Humboldt-Universität zu Berlin
15
University Library of Greifswald
11
Zentralbibliothek Zürich
10
Bibliothèque Nationale et Universitaire de Strasbourg
4
Library Am Guisanplatz
2
University of Graz
1
University and Regional Library of Tyrol
1