Institution
Saxon State and University Library
80
University Library of Regensburg
59
Universitätsbibliothek der Humboldt-Universität zu Berlin
44
Bavarian State Library
43
Zentralbibliothek Zürich
9
Toulouse and Midi-Pyrénées Universities Libraries Network
4
University Library of Greifswald
4
University of Graz
4
University and Regional Library of Tyrol
4
Bibliothèque Nationale et Universitaire de Strasbourg
3
National Library of Sweden - Kungliga biblioteket
2
Basel University Library
1
Bern University Library
1