Institution
Saxon State and University Library
69
University Library of Regensburg
23
Universitätsbibliothek der Humboldt-Universität zu Berlin
8
Bavarian State Library
6
Zentralbibliothek Zürich
6
Library of the Academy of Sciences of the Czech Republic
4
University of Graz
2
Bern University Library
2
Bibliothèque Nationale et Universitaire de Strasbourg
1
National Library of the Czech Republic
1
University Library Salzburg
1
University and Regional Library of Tyrol
1
Umeå University Library
1