Institution
Bavarian State Library
2,239
Research Library Olomouc
164
Bern University Library
33
Universitätsbibliothek der Humboldt-Universität zu Berlin
30
Basel University Library
25
Saxon State and University Library
24
Library of the Academy of Sciences of the Czech Republic
17
University and Regional Library of Tyrol
13
The Swiss National Library
8
University Library of Greifswald
2