References
- Haskell , Harry . 1988 . The Early Music Revival: A History , 168 – 168 . Thames and Hudson .
- 26 February 1937 . Wiener Neueste Nachrichten 26 February ,
- 4 October 1943 . Wiener Neueste Nachrichten 4 October ,
- 3 November 1945 . Wiener Kurier 3 November ,
- Ruzickova . 1980 . The manner of interpretation . Early Music , 8
- Leonhardt , Gustav . 1982 . The Art of Fugue: Bach's last harpsichord work The Hague