Hays, H.R.
From ape to angel: an informal of history of anthropology / H.R. Hays
Alfred A. Knofpf, 1958
 Buku Teks SO
Washington, Booker T.
Up from slavery: an autobiography
Oxford University Press, 1900
 Buku Teks SO
Drotning, Phillip T.
Up from the ghetto
Cowles Book, 1970
 Buku Teks SO
Huxley, Aldous, 1894-1963
Ape and essence
Bantam, 1958
 Buku Teks SO
Morris, Desmond
The naked ape
Dell Publishing, 1970
 Buku Teks SO