https://katalog.folkwang-uni.de/Record/5-MID13244620 Schubert, Franz:
VOICES OF OUR TIME - Angelika Kirchschlager: SCHUBERT, F. / SCHUMANN, R. (NTSC). — Hong Kong : Naxos Digital Services US Inc, . — 1 online resource.
(Naxos Video Library)
Naxos Digital Services electronic collection.Streaming video..