Freud, Sigmund
(1933) `Femininity', in New Introductory Lectures on Psycho-Analysis, Standard Edition Vol. 22. London: Hogarth, 1964.
3.
Kohlberg, Lawrence
(1966) `A Cognitive-Developmental Analysis of Children's Sex-Role Concepts and Attitudes', in E.E. Maccoby (ed.) The Development of Sex Differences. Stanford: Stanford University Press.
4.
Schreiner, Olive
(1926) From Man to Man. London: Virago, 1982.
