Institution
Bavarian State Library
566
University Library of Regensburg
367
Basel University Library
152
Bern University Library
131
Universitätsbibliothek der Humboldt-Universität zu Berlin
100
Zentralbibliothek Zürich
31
Saxon State and University Library
3
University Library of Greifswald
2
Bibliothèque Nationale et Universitaire de Strasbourg
1
University and Regional Library of Tyrol
1