Institution
University Library of Regensburg
654
Universitätsbibliothek der Humboldt-Universität zu Berlin
445
Bavarian State Library
228
University Library of Greifswald
145
Basel University Library
91
Bern University Library
74
Zentralbibliothek Zürich
56
Saxon State and University Library
14
Bibliothèque Nationale et Universitaire de Strasbourg
9
University and Regional Library of Tyrol
9
Bibliotheken Schaffhausen
5
University of Graz
2
Martin-Opitz Bibliothek Herne
2
National Library of Estonia
2
Library service of the University of Strasbourg
2
University of Tartu Library
2
Vienna City Library
2
Toulouse and Midi-Pyrénées Universities Libraries Network
1
University Library Salzburg
1