Institution
Bavarian State Library
437
University Library of Regensburg
385
Universitätsbibliothek der Humboldt-Universität zu Berlin
160
Basel University Library
50
Bern University Library
38
University Library of Greifswald
25
Zentralbibliothek Zürich
10
Bibliothèque Nationale et Universitaire de Strasbourg
7
University and Regional Library of Tyrol
7
The Swiss National Library
4
Library Am Guisanplatz
2
Saxon State and University Library
1
University Library Salzburg
1