Institution
Bavarian State Library
3,342
University and Regional Library of Tyrol
101
Basel University Library
35
University Library of Regensburg
30
Universitätsbibliothek der Humboldt-Universität zu Berlin
20
University Library of Greifswald
19
The Swiss National Library
4
University Library Salzburg
1
Vienna City Library
1
Zentralbibliothek Zürich
1