Chaisson, Eric.
Cosmic evolution : the rise of complexity in nature
Harvard University Press, 2001
 Buku Teks SO
Twelve American poets
edited by Stephen Whicher and Lars Ahnebrink
Oxford University Press, 1961
 Buku Teks SO
Matthiessen, F.O.
American Renaissance art and expression in the age of Emerson and Whitman
Oxford University Press , 1941
 Buku Teks SO
Bayu Kristianto, reviewer
Intellectual crossroads : emerson, heidegger, and native American philosophy
VDM Verlag Dr. Muller, 2009
 Buku Teks SO
Matthiessen, F.O.
American renaissance : art and expression in the age of Emerson and Whitman
Oxford University Press, 1941
 Buku Teks SO