Institution
University Library of Regensburg
38
Universitätsbibliothek der Humboldt-Universität zu Berlin
34
Bavarian State Library
23
University Library of Greifswald
4
University of Graz
3
Basel University Library
2
Toulouse and Midi-Pyrénées Universities Libraries Network
2
National Library of Sweden - Kungliga biblioteket
2
Bern University Library
2
University and Regional Library of Tyrol
2
Saxon State and University Library
1
University Library Salzburg
1
Zentralbibliothek Zürich
1