Institution
Bavarian State Library
13
Universitätsbibliothek der Humboldt-Universität zu Berlin
8
Saxon State and University Library
4
Bibliothèque Nationale et Universitaire de Strasbourg
3
National Library of Sweden - Kungliga biblioteket
3
University Library Salzburg
3
Zentralbibliothek Zürich
3
Basel University Library
2
Moravian Library in Brno
2
University Library of Regensburg
2
Umeå University Library
2
National Library of Estonia
1
National and University Library, Slovenia
1
Bern University Library
1