Music History 102: The Twentieth Century
- Composers, major styles and developments, illustrations, and Real Audio RAM sound files.
- http://www.ipl.org/div/mushist/twen/index.htm

The Early Twentieth Century
- Commentary on societal changes and the effects they had on the music of the period. Includes links to noted composers of the time.
- http://hem.passagen.se/alkerstj/worldofclassicalmusic/early20th/early_twentieth_century.html

BUBL LINK / 5:15 Internet Resources: Twentieth century music
- Eighteen resources on twentieth century music with abstracts.
- http://bubl.ac.uk/link/t/twentiethcenturymusic.htm

Music at UCC: Web resources: Early 20th-century music: various composers
- Links to sites devoted to composers of the period.
- http://www.ucc.ie/ucc/depts/music/online/e20comps.html