Institution
National Library of Sweden - Kungliga biblioteket
21
Saxon State and University Library
21
Zentralbibliothek Zürich
11
University Library of Regensburg
9
Bavarian State Library
8
University Library Salzburg
6
Vienna University Library
5
University of Graz
3
Toulouse and Midi-Pyrénées Universities Libraries Network
2
Universitätsbibliothek der Humboldt-Universität zu Berlin
2
National Library of the Czech Republic
1
Bern University Library
1