Theodore dreiser : presents the living thoughts of thoreau
Fawcett Publications, Inc., 1958
 Buku Teks SO
King, George A.
Theodore Dwight Woolsey : his political and social ideas / George A. King
Loyola University Press, 1956
 Buku Teks SO
Washington, Booker T.
Up from slavery: an autobiography
Oxford University Press, 1900
 Buku Teks SO
Pringle, Henry Fowles, 1897-1958
Theodore Roosevelt : a biography
Harcourt, Brace & World, 1956
 Buku Teks SO
Harbaugh, William Henry
Power and responsibility : the life and times of Theodore Roosevelt
Farrar, Straus and Cudahy, 1961
 Buku Teks SO