Merton, Thomas. The Seven Storey Mountain. Harcourt, 1998. P. 92.
11
Fairlie, Henry. The Seven Deadly Sins Today. New Republic Books, 1978. P. 30.
12
Perkins, Frances. The Triangle Factory Fire // Cornell University online archives. URL: http://trianglefire.ilr.cornell.edu/primary/lectures/francesperkinslecture.html.
