Profile by Earth Ear includes extended essay dealing with soundscapes and the piece Notes to Lake Emu.

Critical comments, biography, portrait, works list, and discography from the University of York Music Press.

Listing with The Lied and Art Song Texts Page includes link to text of his vocal work based on William Blake's Sunflower.

Brief biography showing his progression from serialism and use of electronics in his works from the Grove Concise Dictionary of Music entry at WQXR radio.

Picture, biography by wife Nicola LeFanu, and list of works and recordings, from the Australian Music Centre.