Further Reading
The Web of Iniquity: Early Detective Fiction by American Women, Catherine Ross Nickerson, Duke University Press, 1998.
Chapters 4 and 5, pp. 59-116
10 Women of Mystery, Bowling Green State University Popular Press, 1981
Pages 150-178 contain Barrie Hayne's excellent chapter on Green, focusing primarily on her literary style and the development of her detective characters.