To Kill a Mockingbird
"Well how do you know we ain't Negroes?"
"Uncle Jack Finch says we really don't know. He says as far as he can trace back the Finches we ain't, but for all he knows we mighta come straight out of Ethiopia durin' the Old Testament."
"Well if we came out durin' the Old Testament it's too long ago to matter."
"That's what I thought," said Jem, "but around here once you have a drop of Negro blood, that makes you all black." (16.78-81)
[Mr. Ewell says] "I seen that black nigger yonder ruttin' on my Mayella!" (17.84)
"She was white, and she tempted a Negro. She did something that in our society is unspeakable: she kissed a black man. Not an old Uncle, but a strong young Negro man. No code mattered to her before she broke it, but it came crashing down on her afterwards." (20.44-45)