Lyricsworld Music Directory

MUSIC DIRECTORY
Open Directory - Arts: Music: Composition: Composers: Early 20th Century

This category in other languages:

List of 20th Century Classical Composers - Wikipedia entry linked to individual biographical articles plus internal references and external links.
The Modern Era (1900 - 1945) - The Conservatory at Humanities Web outlines the rise of post-romantic music, rhythmic, harmonic, and tonal experimentation, and lists major composers with biographies, suggested reading, and additional resources.