Issues and Debates in African American Literature
Countee Cullen. "Copper Sun." Special Collections, University of Delaware Library. Accessed 1 April 2023.
Cullen, Countee, -- 1903-1946 -- Autograph. Poetry.
Cullen, Countee. 1927. Copper Sun. NY: Harper & Bros.
Special Collections, University of Delaware Library
Harper & Bros.