
Source: Why Men Earn More (2005), p. xxiv.
Source: The Myth of Male Power (1993), Part 1: The Myth of Male Power, p. 30.
Source: Why Men Earn More (2005), p. xxiv.
Lives of Wives (London: Cassell, 1939)
1920s, Viereck interview (1929)
1990s, Letter to the Union-Sun & Journal (1992)