Institution
Saxon State and University Library
1,315
Universitätsbibliothek der Humboldt-Universität zu Berlin
731
Vienna University Library
315
University and Regional Library of Tyrol
311
Vienna City Library
281
Basel University Library
207
University Library Salzburg
201
University of Graz
193
National Library of the Czech Republic
12
University Library in Bratislava
5
Library of the Medical University of Vienna
2
Zentralbibliothek Zürich
2
Research Library Olomouc
1