Langston Hughes, Dolan Hubbard (2003). “The Collected Works of Langston Hughes: Works for children and young adults: poetry, fiction, and other writing”, p.55, University of Missouri Press
Langston Hughes (2002). “The Collected Works of Langston Hughes: Essays on art, race, politics, and world affairs”, p.525, University of Missouri Press
Langston Hughes (2002). “The Collected Works of Langston Hughes: Essays on art, race, politics, and world affairs”, p.141, University of Missouri Press
Langston Hughes (2002). “The Collected Works of Langston Hughes: Essays on art, race, politics, and world affairs”, p.141, University of Missouri Press
Langston Hughes (2002). “The Collected Works of Langston Hughes: Essays on art, race, politics, and world affairs”, p.133, University of Missouri Press