Institution
University Library of Regensburg
856
Bavarian State Library
815
Universitätsbibliothek der Humboldt-Universität zu Berlin
584
University Library of Greifswald
288
Zentralbibliothek Zürich
193
Saxon State and University Library
159
Basel University Library
81
Bern University Library
54
National and University Library, Slovenia
29
Martin-Opitz Bibliothek Herne
12
The Swiss National Library
7
Library Am Guisanplatz
6
Bibliothèque Nationale et Universitaire de Strasbourg
4
University and Regional Library of Tyrol
4
University Library Salzburg
2