Institution
Bavarian State Library
220
Universitätsbibliothek der Humboldt-Universität zu Berlin
43
University Library of Regensburg
41
Basel University Library
25
University Library of Greifswald
20
Zentralbibliothek Zürich
16
Bern University Library
15
Saxon State and University Library
11
University and Regional Library of Tyrol
9
Vienna City Library
6
University Library Salzburg
4
Bibliothèque Nationale et Universitaire de Strasbourg
2
University of Graz
2
The Swiss National Library
1