Institution
Saxon State and University Library
341
University Library of Greifswald
174
Bavarian State Library
123
University Library of Regensburg
71
Universitätsbibliothek der Humboldt-Universität zu Berlin
34
Bern University Library
10
Basel University Library
9
Bibliothèque Nationale et Universitaire de Strasbourg
9
Zentralbibliothek Zürich
5
Library Am Guisanplatz
1
University Library Salzburg
1
University of Tartu Library
1
Research Library Olomouc
1