Institution
University Library of Regensburg
61
Universitätsbibliothek der Humboldt-Universität zu Berlin
59
Bibliothèque Nationale et Universitaire de Strasbourg
19
Bavarian State Library
18
Zentralbibliothek Zürich
7
Library service of the University of Strasbourg
4
University Library of Greifswald
3
Saxon State and University Library
2
Basel University Library
1
Academic health library (Paris)
1
University of Graz
1
National Library of Estonia
1
Bern University Library
1
University and Regional Library of Tyrol
1