Institution
Zentralbibliothek Zürich
849
University Library of Regensburg
508
Basel University Library
494
Saxon State and University Library
369
Bern University Library
363
Vienna University Library
231
The Swiss National Library
85
Universitätsbibliothek der Humboldt-Universität zu Berlin
39
Bibliotheken Schaffhausen
23
University Library Salzburg
10
University of Graz
7
University and Regional Library of Tyrol
5
Vienna City Library
1