Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
512
Bavarian State Library
316
University Library of Regensburg
310
Saxon State and University Library
201
Basel University Library
193
Vienna City Library
86
University Library of Greifswald
82
Bern University Library
73
University and Regional Library of Tyrol
60
Zentralbibliothek Zürich
41
University of Graz
35
University Library Salzburg
22
The Swiss National Library
7
Library Am Guisanplatz
3
Bibliotheken Schaffhausen
2