2.
Cronon, William. Nature's Metropolis: Chicago and the Great West (NY: W.W. Norton, 1991): 346; Norman Bolotin and Christine Laing, The Chicago World's Fair of 1893: The World's Columbian Exposition (Washington, D.C: The Preservation Press, 1992): 2.
3.Graves, Robert . " World's Fair ." The Alleghenian , 1 July 1893. http://www.clpgh.org/exhibit/neighborhoods/northside/nor_n105b.html
4. Burnham, Daniel . "Quotes." 16 August 1893.
http://www.giga.usa.com/quotes/html
5. Parker G. Christopher "The History of Olmestead" 7, October. 1986. ....http://www.newbedford.com/olmestead.html