Institution
University Library of Regensburg
43
Bavarian State Library
27
Universitätsbibliothek der Humboldt-Universität zu Berlin
21
University Library of Greifswald
9
Bern University Library
9
Basel University Library
7
Zentralbibliothek Zürich
3
Bibliothèque Nationale et Universitaire de Strasbourg
1
Toulouse and Midi-Pyrénées Universities Libraries Network
1