Ausbell - Design and manufacture of bells, including the federation bell installation.
The Sound of Bells - A technical paper about the acoustics of bells, with research, software, recordings and findings about bell tuning derived from analysis of bell sounds.
Rhythm Bones Central - History, regional names, events calendar, Bones Fests, bones players, vendors, Rhythm Bones Society membership form, mailing list, bibliography, discography, and videography.
Waywood Music - Information on how to choose, set-up, tune and maintain drums, percussion, cymbals and hardware. Free MP3 downloads.
Wikipedia - Percussion Instrument - Hyperlinked encyclopedia article provides information on the history, classification, function and notation of percussion instruments.