Tuning
- The Bohlen-Pierce Site
- Deriving the Musical Scale by Jeff Jensen - dissonance, scales
- Tuning Links by Spud DuBoise
- Encyclopedia of Microtonal Music Theory by TonalSoft
- Harry Partch on American Mavericks
- Just Intonation Network
- Graham Breed's Microtonal Website
- Interactive Tuning and Timbre Applet by James Forrest, explore the relation, based on writings of BIll Sethares
- Hermode Tuning - dynamic adjusted tuning
- Just Intonation in the WikiPedia
- Relative Dynamic Just Intonation Using MIDI and HMSL by Phil Burk