Institution
Library service of the University of Strasbourg
32
Bavarian State Library
30
Bibliothèque Nationale et Universitaire de Strasbourg
19
Universitätsbibliothek der Humboldt-Universität zu Berlin
18
University Library of Regensburg
13
Zentralbibliothek Zürich
7
University Library of Greifswald
5
Research Library Olomouc
3
Basel University Library
2
Library of the Academy of Sciences of the Czech Republic
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University of Graz
1
Bern University Library
1