Institution
Vienna University Library
81
Bibliotheken Schaffhausen
61
Basel University Library
38
University Library of Regensburg
38
Bibliothèque Nationale et Universitaire de Strasbourg
35
Zentralbibliothek Zürich
35
Bern University Library
28
Saxon State and University Library
5
The Swiss National Library
4
University and Regional Library of Tyrol
1
Vienna City Library
1