http://www.karadar.net/Dictionary/koechlin.html Musica Classica Classical Music Dictionary entry with life, works, and photograph. http://www.hnh.com/composer/koechlin.htm Brief biography with summaries of orchestral, vocal, chamber, and piano music with caricature. http://stevenestrella.com/composers/composerfiles/koechlin1950.html Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers. http://www.bartleby.com/65/ko/Koechlin.html Entry from the Columbia Encyclopedia, Sixth Edition, 2001 includes pronunciation.