Institution
University Library of Regensburg
401
Universitätsbibliothek der Humboldt-Universität zu Berlin
324
Bavarian State Library
173
University Library of Greifswald
101
Bern University Library
42
Basel University Library
38
Zentralbibliothek Zürich
21
University and Regional Library of Tyrol
4
Bibliothèque Nationale et Universitaire de Strasbourg
2
Saxon State and University Library
2
University of Graz
1
University Library Salzburg
1