Sir Ernest MacMillan
- Biography, photograph, and works for purchase from the Canadian Music Centre.
- http://www.musiccentre.ca/apps/index.cfm?fuseaction=composer.FA_dsp_biography&authpeopleid=847&by=M

MacMillan, Sir Ernest
- Entry examining life as conductor, organist, pianist, composer, educator, writer, and administrator from the Canadian Encyclopedia. Includes selected compositions, discography, writings, bibliography, and links.
- http://www.thecanadianencyclopedia.com/index.cfm?PgNm=TCE&Params=U1ARTU0003885

Ernest MacMillan
- Short biography emphasizing his work as conductor, noting also abilites as organist and composer.
- http://www.bach-cantatas.com/Bio/MacMillan-Ernest.htm

Ernest MacMillan (1893-1973)
- Listing at The Lied and Art Song Texts Page with lyrics to "Songs from Sappho."
- http://www.recmusic.org/lieder/get_settings.html?ComposerId=4923

Sir Ernest Campbell MacMillan
- Find A Grave listing with biographical sketch, noted works, photograph, and interactive memorial.
- http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=7256597&pt=Ernest%20MacMillan

MacMillan, Sir Ernest Alexander Campbell
- Biography noting his prominent place in Canadian arts from the Grove Concise Dictionary of Music entry at WQXR radio.
- http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=5619