Institution
Library of the Academy of Sciences of the Czech Republic
5
Universitätsbibliothek der Humboldt-Universität zu Berlin
4
Zentralbibliothek Zürich
3
Saxon State and University Library
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University Library of Greifswald
1
University Library of Regensburg
1
University and Regional Library of Tyrol
1