Institution
University Library of Regensburg
766
Universitätsbibliothek der Humboldt-Universität zu Berlin
555
University Library of Greifswald
414
Bavarian State Library
221
Basel University Library
66
Zentralbibliothek Zürich
54
Bern University Library
40
National Library of Sweden - Kungliga biblioteket
26
Saxon State and University Library
16
University of Graz
4
University and Regional Library of Tyrol
4
Bibliotheken Schaffhausen
3
Uppsala University Library
2