Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
279
University Library of Regensburg
254
Bavarian State Library
235
Zentralbibliothek Zürich
53
University and Regional Library of Tyrol
48
University Library of Greifswald
25
National Library of Sweden - Kungliga biblioteket
16
Basel University Library
13
Bern University Library
5
University Library Salzburg
5
Saxon State and University Library
4
University of Graz
2
Uppsala University Library
1