Futurism: Manifestos and Other Resources
The definitive site on the Futurist art movement of the early 20th Century, featuring most of the original manifestos of the members, and an extensive list of related links.

Luigi Russolo's 'Intonarumori'
Introduction to Russolo's noise-making instruments from 1913.

Russolo and Futurism
Another introduction to Russolo and futurism. This one has some links to larger, more general futurist sites.

Italian Futurism
Information on performance of sound poetry

Luigi Russolo and The Art of Noise
Short article on the history of Russolo.