Institution
Saxon State and University Library
61
University and Regional Library of Tyrol
14
Martin-Opitz Bibliothek Herne
5
Basel University Library
2
Universitätsbibliothek der Humboldt-Universität zu Berlin
2
University of Graz
1
National Library of the Czech Republic
1
National Library of Sweden - Kungliga biblioteket
1
Bern University Library
1
University Library of Regensburg
1