Institution
Bavarian State Library
17
National Library of Sweden - Kungliga biblioteket
7
Zentralbibliothek Zürich
3
Basel University Library
2
Saxon State and University Library
2
Bern University Library
2
University Library of Greifswald
1
Martin-Opitz Bibliothek Herne
1
Universitätsbibliothek der Humboldt-Universität zu Berlin
1
University Library of Regensburg
1