Institution
Martin-Opitz Bibliothek Herne
421
University Library of Regensburg
211
Bavarian State Library
181
Bern University Library
139
University Library of Greifswald
138
Universitätsbibliothek der Humboldt-Universität zu Berlin
87
Basel University Library
27
Saxon State and University Library
25
Bibliothèque Nationale et Universitaire de Strasbourg
6
Zentralbibliothek Zürich
6
Library of the Academy of Sciences of the Czech Republic
3
Uppsala University Library
3
National Library of Sweden - Kungliga biblioteket
2
UiT The Arctic University of Norway - University library
2
Research Library Olomouc
2
Library Am Guisanplatz
1
Moravian Library in Brno
1
The Swiss National Library
1