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Dickinson, Donald C., A Bio-Bibliography of Langston Hughes, 1902-1967, Archon Books, 1967, p. 29.

Emanuel, James A., "Langston Hughes," in Twayne's United States Authors Series Online, G. K. Hall & Co., 1999.

Garvey, Marcus, "Declaration of Rights of the Negro Peoples of the World," in Modern Black Nationalism from Marcus Garvey to Louis Farrakhan, edited by William L. van Deburg, New York University Press, 1997, pp. 24-31.

Hoagwood, Kimberly, "Two States of Mind in 'Dream Variations,'" in Langston Hughes Review, Vol. 2, No. 2, Fall 1983, pp. 16-18.

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Hughes, Langston, The Big Sea: An Autobiography, Alfred A. Knopf...