"New Maps of Hyperspace". Terence McKenna's speech at the Berkeley Institute for the Study of Consciousness (1984) as quoted in "Magical Blend Magazine", Issue #22, April 1989.
Elizabeth Cady Stanton, Susan Brownell Anthony, Ann Dexter Gordon (1997). “The Selected Papers of Elizabeth Cady Stanton and Susan B. Anthony: In the school of anti-slavery, 1840 to 1866”, p.351, Rutgers University Press