Institution
Bavarian State Library
288
Universitätsbibliothek der Humboldt-Universität zu Berlin
157
University Library of Regensburg
136
Saxon State and University Library
96
Zentralbibliothek Zürich
82
National Library of Sweden - Kungliga biblioteket
34
University Library of Greifswald
20
Bibliothèque Nationale et Universitaire de Strasbourg
8
Basel University Library
6
UiT The Arctic University of Norway - University library
4
University and Regional Library of Tyrol
3
University of Graz
1
Bern University Library
1
University Library Salzburg
1