Alexander Campbell Mackenzie
- List of selected works by genre and brief biography from the Classical Composers Database.
- http://www.classical-composers.org/comp/mackenzie

Alexander Mackenzie: Scottish Composer
- Biographical sketch and detailed review of the recording of his Violin Concerto and Pibroch Suite. Includes links to other recordings.
- http://www.musicweb.uk.net/mackenzie/

Alexander Mackenzie
- Biography and portrait from the D'Oyly Carte Opera Company.
- http://math.boisestate.edu/gas/whowaswho/M/MackenzieAlexander.htm

Sir Alexander Campbell Mackenzie
- List of holdings in England's National Portrait Gallery with drawings by Harry Furniss and Flora Lion.
- http://www.npg.org.uk/live/search/person.asp?LinkID=mp02889

Sir Alexander Campbell MacKenzie (1847-1935)
- Listing at The Lied and Art Song Texts Page with lyrics of selected vocal works.
- http://www.recmusic.org/lieder/get_settings.html?ComposerId=6604

Mackenzie, Sir Alexander Campbell
- Brief biography noting studies, accomplishments, teaching positions, and major works from the Grove Concise Dictionary of Music entry at WQXR radio.
- http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=5616