Bjorhovde, Gerd. Rebellious Structures. Women Writers and the Crisis of the Novel 1880-1900.London, 1987.
Blain, Virginia, Isobel Grundy, Patricia Clements, eds. Feminist Companion to Literature in English. New Haven, CT: Yale University Press, 1990.
Goode, John. ‘Margaret Harkness and the Socialist Novel’, in The Socialist Novel in Britain: Towards the Recovery of a Tradition. Ed. by Gustav Klaus, New York: St. Martin’s Press, 1982.
Hapgood, Lynne. ‘”Is This Friendship?” Eleanor Marx, Margaret Harkness, and the Idea of Socialist Community’ in Eleanor Marx (1855-1898): Life, Work, Contacts. Ed. by John Stokes. Aldershot: Ashgate, 2000, 129-143.
Janssen, Flore, Lisa Robertson, eds. Margaret Harkness: Writing Social Engagements 1880-1921. Manchester: Manchester University Press, 2018.
Kaspar, Beate and Joyce Belamy, 'Margaret Harkness', in The Dictionary of NationalLabour Biography. London: Macmillan, 1972, VIII: 103-13.
Ledge, Sally. The New Woman: Fiction and Feminism at the Fin de Siecle.
Mutch, Deborah, and Terry Elkiss, ‘An Introduction to A City Girl by John Law (Margaret Harkness). London: Victorian Secrets, 2015.
Ross, Ellen, ed. Slum Travelers: Ladies and London Poverty, 1860-1920. Berkeley and Los Angeles: University of California Press, 2007.
Sypher, Eileen. ‘The Novels of Margaret Harkness’, Turn-of-the-Century Women, winter, 1984, 12-26.
Online resources: The Harkives; https://theharkives.wordpress.com/archive/Last modified 19 December 2018