The paper consists of four chapters, among which the first one summarizes the Afro-American literature, the second, the third and the fourth analyze the themes and writing techniques of the works respectively and make comparison among them.

• 全文分为三个部分：第一部分概括了美国黑人文学发展的历史，从早期黑人文学，到哈莱姆文艺复兴，再到三位里程碑式的作家。