Engelbert Humperdinck
- Biography from the Arizona Opera notes his early successes and his relationship with Wagner and the latter's subsequent influence on his works.
- http://www.azopera.com/learn.php?subcat=composerbios&composer=Humperdinck

Engelbert Humperdinck (1854-1921)
- Listing of vocal works from the Lied and Art Song Texts Page at REC Music.
- http://www.recmusic.org/lieder/h/humperdinck.html

Humperdinck, Engelbert
- Biography with studies, travels, teaching, music criticism, and noted works from the Grove Concise Dictionary of Music entry at WQXR radio.
- http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=4395

Classical Music Archives: Humperdinck
- Music files offered in MIDI format.
- http://www.classicalarchives.com/main-h.html#HUMPERDINCK

Humperdinck, Engelbert (1854 - 1921)
- Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers.
- http://stevenestrella.com/composers/composerfiles/humperdinck1921.html