1 Traubel, Horace, "With Walt Whitman in Camden. Vol. 3. Reprint" Rowman and Littlefield 1961
2 Reynolds, David. S, "Walt Whitman’s America : A Cultural Biography" Random House 1996
3 Killingsworth, Jimmie M, "Walt Whitman and the Earth: A Study of Ecopoetics" U of Iowa P 2005
4 Thomas, Wynn M, "Walt Whitman and Mannahatta-New York" 34 (34): 362-378, 1982
5 Tyree, J. M, "Thoreau, Whitman, and the Matter of New York" 27 (27): 61-75, 2006
6 Griscom, John H, "The Sanitary Condition of the Laboring Population of New York with Suggestions for Improvement" Harper 1845
7 Whitman, Walt, "The Journalism" Peter Lang 1998
8 Landry, Charles, "The Creative City: A Toolkit For Urban Innovators" Routledge 2008
9 Thoreau, Henry David, "The Correspondence of Henry David Thoreau" New York UP 1958
10 Whitman, Walt, "Specimen Days and Collect" Dover 1995
1 Traubel, Horace, "With Walt Whitman in Camden. Vol. 3. Reprint" Rowman and Littlefield 1961
2 Reynolds, David. S, "Walt Whitman’s America : A Cultural Biography" Random House 1996
3 Killingsworth, Jimmie M, "Walt Whitman and the Earth: A Study of Ecopoetics" U of Iowa P 2005
4 Thomas, Wynn M, "Walt Whitman and Mannahatta-New York" 34 (34): 362-378, 1982
5 Tyree, J. M, "Thoreau, Whitman, and the Matter of New York" 27 (27): 61-75, 2006
6 Griscom, John H, "The Sanitary Condition of the Laboring Population of New York with Suggestions for Improvement" Harper 1845
7 Whitman, Walt, "The Journalism" Peter Lang 1998
8 Landry, Charles, "The Creative City: A Toolkit For Urban Innovators" Routledge 2008
9 Thoreau, Henry David, "The Correspondence of Henry David Thoreau" New York UP 1958
10 Whitman, Walt, "Specimen Days and Collect" Dover 1995
11 Whitman, Walt, "Sculley Bradley and Harold Blodgett" Norton 1973
12 Czerniak, Julia, "Large Parks" Princeton Architectural P 19-34, 2007
13 Holloway, Emory, "I Sit and Look Out: Editorials from the Brooklyn Daily Times by Walt Whitman" Columbia UP 1932
14 Beatley, Timothy, "Green Urbanism: Learning From European Cities" Island P 2000
15 Whitman, Walt, "Emory Holloway. Vol. 1" Kessinger 2006
16 Whitman, Walt, "Democratic Vistas" BiblioBazaar 2009
17 Roche, John F, "Democratic Space: The Ecstatic Geography of Walt Whitman and Frank Lloyd Wright" 6 (6): 16-32, 1988
18 Farland, Maria, "Decomposing City: Walt Whitman’s New York and the Science of Life and Death" 74 : 799-827, 2007
19 Trachtenberg, Alan, "Breaking Bounds: Whitman and American Cultural Studies" Oxford UP 163-173, 1996
20 Katsaros, Laure Goldstein, "A Kaleidoscope in the Midst of the Crowd: Poetry and the City in Walt Whitman’s Leaves of Grass and Charles Baudelaire’s Petits Poēmes en Prose" Yale U 2003
21 Pannapacker, William, "A Companion to Walt Whitman" Blackwell 42-59, 2006