1. Bal, Mieke, Narratology: introduction to the theory of narrative, University of Toronto Press, Toronto, 2009.
2. Cawelti, John G., The Six-Gun Mystique, Bowling Green State University Popular Press, Bowling Green, 1984.
3. Etulain, Richard W., “The Historical Development of the Western,” in: Richard W. Etulain and Michael T. Marsden (eds.), The Popular Western: Essays Toward a Definition, Bowling Green State University Popular Press, Bowling Green, 1974.
4. Hoge, Charles, Once a Warrior—Always a Warrior: Navigating The Transition From Combat To Home—Including Combat Stress, Ptsd, And Mtbi, Lyons Press, 2010.
5. Killgore, William D. S., Cotting, Dave I., Thomas, Jeffrey L., et al., “Post-combat invincibility: Violent combat experiences are associated with increased risk taking propensity following deployment,” Journal of Psychiatric Research, Vol. 42(13), 2008.