Atonality.
- Article from The Columbia Encyclopedia, Sixth Edition. 2001.
- http://www.bartleby.com/65/at/atonalit.html

Symmetrical Melodies and Scales Yahoo Group
- Includes MIDI files of symmetrical 13-note all-interval-class/all-contour melodies, which are a conceptual basis for a new conception of tonality that transcends the archaic tonal/atonal opposition.
- http://groups.yahoo.com/group/SymmetricalMelodiesAndScales/

Atonality, Information, and the Politics of Perception
- The psychological basis of atonality.
- http://www.thinkingapplied.com/tonality_folder/tonality.htm