Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
15
Saxon State and University Library
14
University of Graz
8
Bern University Library
4
Basel University Library
3
Bavarian State Library
3
Library of the Academy of Sciences of the Czech Republic
3
National Library of the Czech Republic
3
University Library Salzburg
3
Zentralbibliothek Zürich
3
Toulouse and Midi-Pyrénées Universities Libraries Network
2
University Library of Greifswald
2
The Swiss National Library
2
National Library of Portugal
1
National Library of Estonia
1
National Library of Sweden - Kungliga biblioteket
1
University Library of Regensburg
1
Library service of the University of Strasbourg
1
Umeå University Library
1