Institution
Bavarian State Library
14
Universitätsbibliothek der Humboldt-Universität zu Berlin
14
National Library of Sweden - Kungliga biblioteket
5
Saxon State and University Library
5
Bibliothèque Nationale et Universitaire de Strasbourg
3
Basel University Library
1
University of Graz
1
Library of the Academy of Sciences of the Czech Republic
1
National Library of the Czech Republic
1
Bern University Library
1
University Library of Regensburg
1
University Library Salzburg
1