Institution
University Library of Regensburg
249
Bavarian State Library
186
Universitätsbibliothek der Humboldt-Universität zu Berlin
160
University Library of Greifswald
54
Zentralbibliothek Zürich
25
Basel University Library
17
Bern University Library
17
Martin-Opitz Bibliothek Herne
12
Library Am Guisanplatz
1
Saxon State and University Library
1
Library service of the University of Strasbourg
1
Research Library Olomouc
1