Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
13
The Swiss National Library
7
University Library of Regensburg
4
University of Graz
3
National Library of Estonia
3
National and University Library, Slovenia
2
Library Am Guisanplatz
1
Moravian Library in Brno
1
National Library of the Czech Republic
1
National Library of Sweden - Kungliga biblioteket
1
National Library of Technology (Czech Republic)
1
Saxon State and University Library
1
University Library Salzburg
1
University and Regional Library of Tyrol
1
Vienna City Library
1