Mary Whiton Calkins (1863-1930)

Resources:

• Mary Calkin's autobiography --first published in 1930
• Testing the variability hypothesis
• More about Mary Calkins on the Classics in the History of Psychology site.
• Look for her on the Webster University site on Women's Intellectual Contributions to the Study of Mind and Society

Helen Thompson Woolley (1874-1947)

Resources:

• Helen Woolley on A Review of the Recent Literature on the Psychology of Sex
• The Mental Traits of Sex
• Look for her on the Webster University site on Women's Intellectual Contributions to the Study of Mind and Society

Leta Stetter Hollingworth (1886-1939)

Resources:

• Variability as Related to Sex Differences in Achievement: a Critique
• Social Devices for Impelling Women to bear and Rear Children
• Look for her on the Webster University site on Women's Intellectual Contributions to the Study of Mind and Society