Institution
University Library of Regensburg
102
Universitätsbibliothek der Humboldt-Universität zu Berlin
53
Bavarian State Library
51
University Library of Greifswald
32
Basel University Library
9
Bern University Library
8
Saxon State and University Library
4
University and Regional Library of Tyrol
2
Zentralbibliothek Zürich
2
Bibliothèque Nationale et Universitaire de Strasbourg
1
University of Graz
1
National Library of Sweden - Kungliga biblioteket
1