Although Margaret Helfgott has possession of letters between Helfgott and his father, the copyright is held by Gillian Helfgott who has prevented their contents from being published.
Premda Margaret Helfgott ima pisma koja su si međusobno pisali Helfgott i njegov otac, prava na njih ima Gillian Helfgott koja je spriječila da njihov sadržaj bude objavljen.