Simpson, L. P. The Concept of the Historical Self in Brother to Dragon: Lewis P. Simpson. Robert Penn Warren's "Brother to Dragons" : a discussion.(1983).

Simpson, Lewis P. "The Concept of the Historical Self in Brother to Dragon: Lewis P. Simpson." Robert Penn Warren's "Brother to Dragons" : A Discussion.(1983) .

Simpson, Lewis P. "The Concept of the Historical Self in Brother to Dragon: Lewis P. Simpson." Robert Penn Warren's "Brother to Dragons" : A Discussion.(1983), .