Book Sound and light : La Monte Young and Marian Zazeela. – Edited by William Duckworth and Richard Fleming. – Lewisburg : Bucknell University Press, 1996. – 231 p.
Audio document Duckworth, William. – The pitchwest in concert. – [West New York : W. Duckworth, s.d.]. – Compact Disc, stereo sound, 38 min 53 s.