"Walt Whitman." Encyclopedia of World Biography. Detroit: Gale, 1998. Biography In Context. Web. 14 Mar. 2013.
"Walt Whitman." 2013. The Biography Channel website. Mar 14 2013, http://www.biography.com/people/walt-whitman-9530126.
Levin, Jonathan. Poetry for Young People: Walt Whitman. New York, NY: Sterling Publishing Company, 1997. Print.
"Explanation of: 'I Hear America Singing' by Walt Whitman." LitFinder Contemporary Collection. Detroit: Gale, 2007. LitFinder for Schools. Web. 14 Mar. 2013.
Semansky, Chris. "An overview of “I Hear America Singing”." Poetry for Students. Detroit: Gale. Literature Resource Center. Web. 14 Mar. 2013.
Robisch, Sean. "An overview of “I Hear America Singing”." Poetry for Students. Detroit: Gale. Literature Resource Center. Web. 14 Mar. 2013.
"Walt Whitman." 2013. The Biography Channel website. Mar 14 2013, http://www.biography.com/people/walt-whitman-9530126.
Levin, Jonathan. Poetry for Young People: Walt Whitman. New York, NY: Sterling Publishing Company, 1997. Print.
"Explanation of: 'I Hear America Singing' by Walt Whitman." LitFinder Contemporary Collection. Detroit: Gale, 2007. LitFinder for Schools. Web. 14 Mar. 2013.
Semansky, Chris. "An overview of “I Hear America Singing”." Poetry for Students. Detroit: Gale. Literature Resource Center. Web. 14 Mar. 2013.
Robisch, Sean. "An overview of “I Hear America Singing”." Poetry for Students. Detroit: Gale. Literature Resource Center. Web. 14 Mar. 2013.