Institution
Bavarian State Library
814
Zentralbibliothek Zürich
138
University Library of Regensburg
74
Basel University Library
50
Bern University Library
30
Universitätsbibliothek der Humboldt-Universität zu Berlin
15
University Library Salzburg
3
Vienna University Library
3
Library Am Guisanplatz
2
University and Regional Library of Tyrol
2
University of Graz
1
Saxon State and University Library
1