Institution
University Library of Regensburg
418
Bavarian State Library
274
Universitätsbibliothek der Humboldt-Universität zu Berlin
131
University Library of Greifswald
86
Basel University Library
82
Bern University Library
31
Zentralbibliothek Zürich
14
Saxon State and University Library
3
Bibliothèque Nationale et Universitaire de Strasbourg
2
The Swiss National Library
2
University and Regional Library of Tyrol
1