Institution
University Library of Regensburg
12
Bavarian State Library
9
Universitätsbibliothek der Humboldt-Universität zu Berlin
9
Saxon State and University Library
5
University of Graz
4
Bibliothèque Nationale et Universitaire de Strasbourg
2
Zentralbibliothek Zürich
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1