Institution
Bavarian State Library
609
University Library of Regensburg
197
Universitätsbibliothek der Humboldt-Universität zu Berlin
95
University Library of Greifswald
71
Basel University Library
28
Bern University Library
25
Zentralbibliothek Zürich
9
Saxon State and University Library
7
Library Am Guisanplatz
3
University and Regional Library of Tyrol
3
Bibliothèque Nationale et Universitaire de Strasbourg
1
University of Graz
1
National Library of Technology (Czech Republic)
1