The document references the poem 'Harlem (A Dream Deferred)' by Langston Hughes. It includes a link to the poem on the Poetry Foundation website and an image source related to it. The poem explores the theme of postponed dreams and the consequences of unfulfilled aspirations.

5. http://www.poetryfoundation.org/poem/175884
Image Source:
https://thepoetryplace.wikispaces.com/fil
e/view/langston2.jpg/283008886/254x31
4/langston2.jpg
from Harlem
“A Dream Deferred”