Sources list for COMPONENTS OF STYLE FOR SALVATION BY LANGSTON HUGHES:

The Langston Hughes Reader: The Selected Writings of Langston Hughes. N.Y.: George Braziller, Inc. 8^th Ed, 1955.
"The Weary Blues"

Hughes, Langston. "Epilogue [to The Weary Blues]." The Collected Works of Langston Hughes, Vol. 1: The Poems, 1921-1940. Ed. Arnold Rampersad. Columbia: University of Missouri Press, 2001. p. 61.
Identity in Poetry

Hughes, Langston. "Death in Harlem." The Collected Poems of Langston Hughes. Ed. Arnold Rampersad. New York: Random House, Inc., 1994.
Power Structures in the Harlem Nightclub

"The Fun of Being Black." The Langston Hughes Reader. New York: George Braziller, Inc. 1958. http://washingtonart.com/beltway/hughes.html
Langston Hughes

Hughes, Langston, Hugh H. Smythe, and Mabel M. Smythe. An African Treasury : Articles, Essays, Stories, Poems. New York: Crown, 1960.
"Salvation"