Institution
Bibliothèque Nationale et Universitaire de Strasbourg
2
University of Tartu Library
2
Zentralbibliothek Zürich
2
Basel University Library
1
University Library of Greifswald
1
Library of the Academy of Sciences of the Czech Republic
1
National Library of Estonia
1
National Library of Sweden - Kungliga biblioteket
1
Universitätsbibliothek der Humboldt-Universität zu Berlin
1