arwulf, arwulf [sic]. "Debut Rarities, Vol. 3". Allmusic. Retrieved November 29, 2010. Discographical indexes list the band under the name of the Shafi Hadi Sextet.
Williams, Martin (1992) [1958]. "The Weary Blues and Other Poems Read by Langston Hughes". Jazz Changes. Oxford University Press. p. 196. ISBN978-0-19-535936-7. Retrieved August 10, 2011.