Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
17
Bibliothèque Nationale et Universitaire de Strasbourg
7
University Library of Regensburg
6
Basel University Library
1
Bavarian State Library
1
University Library of Greifswald
1
Library of the Academy of Sciences of the Czech Republic
1
Moravian Library in Brno
1
National Library of the Czech Republic
1
National Library of Estonia
1
National Library of Sweden - Kungliga biblioteket
1