Brown, Anthony (2015), Green, Edward (ed.), "Duke in the 1950s: renaissance man", The Cambridge Companion to Duke Ellington, Cambridge Companions to Music, Cambridge: Cambridge University Press, pp. 134–153, ISBN978-0-521-88119-7, retrieved 2022-08-30
Brown, Anthony (2010). "John Coltrane as the Personification of Spirituality in African American Music". In Brown, Leonard L. (ed.). John Coltrane and black America's quest for freedom : spirituality and the music. New York City: Oxford University Press. pp. 55–71. ISBN978-0-19-971650-0. OCLC650854040.