Robert A. Heinlein1907–1988- I Will Fear No Evil (1970), Chapter 25, p. 442
- Starship Troopers (1959)
- The Pragmatics of Patriotism (1973)
- Statement to Judith Merril (1975), as quoted in William H. Patterson Jr., Robert A. Heinlein: In Dialogue with His Century, Vol. 2 (2014)





