Institution
Bavarian State Library
34
Bibliothèque Nationale et Universitaire de Strasbourg
15
National Library of the Czech Republic
11
Basel University Library
3
National Library of Sweden - Kungliga biblioteket
2
National Library of Portugal
1
Library of the Academy of Sciences of the Czech Republic
1
Saxon State and University Library
1
Bern University Library
1
University Library in Bratislava
1
University of Tartu Library
1