Mohammed Haqi Khaleel Alazzawi. “The Racial Double-Standards of American Policy Towards the Freedom of Afro-American Blacks in The Underground Railroads By Colson Whitehead”. AL-Yarmouk Journal, vol. 16, no. 3-part 2 العدد الثالث الجزء الثاني, Apr. 2026, pp. 260-8, https://journal.al-yarmok.edu.iq/index.php/alyj/article/view/1585.