Allmusic: Yma Sumac: Biography, and discography with reviews and sound clips.
SunVirgin.com: Fan site dedicated to promote Yma Sumac, offering photos, audio clips, fan forum, biographies, and discography.
Yma Sumac...the Voice of the Incas: Cover article from Fate magazine, by Ray Palmer and Jack Ross.
Yma-Sumac.com: Official site features news, schedule, photos, and an interview.