Institution
University Library of Regensburg
231
Universitätsbibliothek der Humboldt-Universität zu Berlin
142
Bavarian State Library
100
Bern University Library
22
University of Graz
17
Zentralbibliothek Zürich
8
University Library of Greifswald
7
University Library Salzburg
3
University and Regional Library of Tyrol
3
Vienna City Library
2
Basel University Library
1
Academic health library (Paris)
1
Saxon State and University Library
1