Institution
University Library of Regensburg
121
Bavarian State Library
75
Universitätsbibliothek der Humboldt-Universität zu Berlin
72
University Library of Greifswald
35
Basel University Library
13
Zentralbibliothek Zürich
6
Bern University Library
5
Bibliothèque Nationale et Universitaire de Strasbourg
1
University and Regional Library of Tyrol
1