Folsom, Ed. "Song of Myself." American History Through Literature 1820-1870. Ed. Janet Gabler-Hover and Robert Sattelmeyer. Vol. 3. Detroit: Charles Scribner's Sons, 2006. 1112-1117. Gale Virtual Reference Library. Web. 26 May 2016.
265 pages. Critical Survey of Poetry Series. Profiles major poets throughout history and the world, including analyses of their significant individual poems or collections. Discusses influential green movement poets such as Ralph Waldo Emerson, Eamon Grennan, Joy Harjo, Mary Oliver, Walt Whitman, and William Butler Yeats.