Institution
Bavarian State Library
22
Universitätsbibliothek der Humboldt-Universität zu Berlin
9
Zentralbibliothek Zürich
9
University Library of Regensburg
6
Toulouse and Midi-Pyrénées Universities Libraries Network
2
Saxon State and University Library
2
Research Library Olomouc
2
Basel University Library
1
University Library of Greifswald
1
Bern University Library
1