1Henry David Thoreau,Walden,Princeton:Princeton University Press,1971,p.31.
2Henry David Thoreau,Walden,Princeton:Princeton University Press,1971,pp.19,31-32.
3Sinclair Lewis,"One Man Revolution",Laurie Lanzen Harris (ed.),Nineteenth-Century Literature Criticism,Vol.7,Detroit:Gale Research Co.,1984,p.379.
4Lawrence Buell,The Environmental Imagination:Thoreau,Nature Writing,and the Formation of American Culture,Cambridge,Massachusetts:The Belknap Press of Harvard University Press,1996,p.139.
5Henry David Thoreau,Walden,Princeton:Princeton University Press,1971,pp.5,6,153,37,8.
6Henry David Thoreau,Walden,Princeton:Princeton University Press,1971,pp.24,36.
7Henry David Thoreau,Walden,Princeton:Princeton University Press,1971,pp.33-34.
8Jonathan Bate,The Song of the Earth,Cambridge MA:Harvard University Press,2000,pp.279-280.
9Henry David Thoreau,Walden,Princeton:Princeton University Press,1971,pp.91,70,324,93,88.
10Henry David Thoreau,Walden,Princeton:Princeton University Press,1971,pp.91-92.
