<P> On May 22, 1967, Hughes died in New York City at the age of 65 from complications after abdominal surgery related to prostate cancer . His ashes are interred beneath a floor medallion in the middle of the foyer in the Schomburg Center for Research in Black Culture in Harlem . It is the entrance to an auditorium named for him . The design on the floor is an African cosmogram entitled Rivers . The title is taken from his poem "The Negro Speaks of Rivers". Within the center of the cosmogram is the line: "My soul has grown deep like the rivers". </P> <P> from "The Negro Speaks of Rivers" (1920)... My soul has grown deep like the rivers . I bathed in the Euphrates when dawns were young . I built my hut near the Congo and it lulled me to sleep . I looked upon the Nile and raised the pyramids above it . I heard the singing of the Mississippi when Abe Lincoln went down to New Orleans, and I've seen its muddy bosom turn all golden in the sunset...</P> <P> First published in 1921 in The Crisis--official magazine of the National Association for the Advancement of Colored People (NAACP)--"The Negro Speaks of Rivers", which became Hughes's signature poem, was collected in his first book of poetry The Weary Blues (1926). Hughes's first and last published poems appeared in The Crisis; more of his poems were published in The Crisis than in any other journal . Hughes' life and work were enormously influential during the Harlem Renaissance of the 1920s, alongside those of his contemporaries, Zora Neale Hurston, Wallace Thurman, Claude McKay, Countee Cullen, Richard Bruce Nugent, and Aaron Douglas . Except for McKay, they worked together also to create the short - lived magazine Fire!! Devoted to Younger Negro Artists . </P> <P> Hughes and his contemporaries had different goals and aspirations than the black middle class . Hughes and his fellows tried to depict the "low - life" in their art, that is, the real lives of blacks in the lower social - economic strata . They criticized the divisions and prejudices within the black community based on skin color . Hughes wrote what would be considered their manifesto, "The Negro Artist and the Racial Mountain", published in The Nation in 1926: </P>

What is the title of langston hughes 's first book of poetry