Institution
Bavarian State Library
121
Saxon State and University Library
43
University Library of Regensburg
38
Zentralbibliothek Zürich
38
Bibliothèque Nationale et Universitaire de Strasbourg
18
Universitätsbibliothek der Humboldt-Universität zu Berlin
18
University Library of Greifswald
7
National Library of Sweden - Kungliga biblioteket
6
University of Graz
2
University Library Salzburg
2
Bern University Library
1
University and Regional Library of Tyrol
1