Institution
Bavarian State Library
44
University Library of Regensburg
19
Universitätsbibliothek der Humboldt-Universität zu Berlin
14
Saxon State and University Library
13
University Library of Greifswald
8
Zentralbibliothek Zürich
5
University and Regional Library of Tyrol
2
Bibliothèque Nationale et Universitaire de Strasbourg
1