Cather wrote several novels about life in Nebraska et environs. Consider the other books in her "Prairie Trilogy," O Pioneers! and The Song of the Lark, and her Pulitzer-Prize-winning novel One of Ours.
Consider other novels and memoirs that explore immigration to the United States, particularly from the immigrant's perspective, including Frank McCourt's Angela's Ashes, Vladimir Nabokov's Pnin, Edwidge Danticat's Breath, Eyes, Memory, and Junot Diaz's The Brief Wondrous Life of Oscar Wao.