Study of Doris Lessing's African fiction a study of Doris Lessing's African fiction Study of urban housing stratification Study of Toni Morrison's fiction Study of Muriel Spark's fiction Study of Upton Sinclair's fiction Study of the American western fiction a study of Doris Lessing's works Space and self in Doris Lessing's major fiction 压抑的自我,异化的人生:多丽斯·莱辛非洲小说研究:a study of Doris Lessing's African fiction:[英文本]