The Grapes of Wrath is a 1939 novel by John Steinbeck

Then she hoisted her tired body up and drew the comforter about her. She moved slowly to the corner and stood looking down at the wasted face, into the wide, frightened eyes. Then slowly she lay down beside him. He shook his head slowly from side to side. Rose of Sharon loosened one side of the blanket and bared her breast. 

— Beginning of the last paragraph