Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
27
Bavarian State Library
22
University Library of Regensburg
18
Saxon State and University Library
4
National Library of Sweden - Kungliga biblioteket
3
Zentralbibliothek Zürich
3
Academic health library (Paris)
2
University and Regional Library of Tyrol
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University of Graz
1
National and University Library, Slovenia
1