Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
27
University Library of Regensburg
27
Bavarian State Library
15
Library of the Academy of Sciences of the Czech Republic
10
Zentralbibliothek Zürich
8
Research Library Olomouc
5
University and Regional Library of Tyrol
4
Bern University Library
3
Bibliothèque Nationale et Universitaire de Strasbourg
2
Masaryk University, Faculty of Arts
2
University Library of Greifswald
1
University of Graz
1
National Library of Sweden - Kungliga biblioteket
1
Saxon State and University Library
1
University Library Salzburg
1