1 Prown, Jules David. An Introduction to Material Culture, Theory and Method in Winterthur Portfolio, Volume 17, No. 1, Spring, 1982, pp1-19.
2 Reynolds, David S. Walt Whitman’s America; A Cultural Biography. New York; Vintage Books, 1995. Pg. 440.
3 Greenberg, Robert. https://www.lostinnewhaven.org/community
4 https://www.tate.org.uk/art/guide-slow-looking
5 https://npg.si.edu/exhibition/meserve-collection-highlights-modern-prints-mathew-brady%E2%80%99s-portrait-negatives