Abbado, Claudio (1933-2014)(7)
Deutsche Grammophon-Gesellschaft(6)
The Keyboard Charitable Trust for Young Professional Performers (1991-)(3)
Chamber Orchestra of Europe (1981-)(2)
Veprik, Aleksandr M. (1899-)(2)
Wolfurt, Kurt von (1880-1957)(2)
Wührer, Friedrich (1900-1975)(2)
Adolph Fürstner (Firma) (1868-1935)(1)
Aerde, Raymond van (1876-1944)(1)