Lechleitner, Gerda
“We never collect ‘a song’, but only one version of it”: Reflections on Early Folk Music Recordings.
As Recorded by the Phonograph. Brno: Etnologický ústav AV ČR, v.v.i, 2012 - (Procházková, J.), s. 43-58. ISBN 978-80-87112-63-2
http://hdl.handle.net/11104/0216263