found: Benjaminson, P. The story of Motown, 2018:p. 89 (Cindy Birdsong; replaced Florence Ballard as a Supreme)
found: New Grove dict. of Amer. mus.(under Supremes: Cindy Birdsong; b. 15 December 1939 in Camden, NJ)
found: Wikipedia WWW site, December 12, 2018(Cindy Birdsong; Cynthia Ann "Cindy" Birdsong; member of the Supremes; prior to the Supremes Birdsong had been a member of Patti LaBelle & the Bluebelles; after leaving the Supremes, Birdsong worked as a nurse at UCLA Medical Center under her married name of Cindy Hewlett)
found: OCLC, December 12, 2018(access points: Birdsong, Cindy, 1939-, Birdsong, Cindy, Birdsong, Cynthia; usage: Birdsong, Cindy [predominant], Birdsong, Cynthia) - https://en.wikipedia.org/wiki/Cindy_Birdsong
