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No Prize was awarded in 1917. In 1948 the Pulitzer Prize for the Novel was replaced with the Pulitzer Prize for Fiction.
- 1918 Ernest Poole - His Family
- 1919 Booth Tarkington - The Magnificent Ambersons
- 1920 no award given
- 1921 Edith Wharton - The Age of Innocence
- 1922 Booth Tarkington - Alice Adams
- 1923 Willa Cather - One of Ours
- 1924 Margaret Wilson - The Able McLaughlins
- 1925 Edna Ferber - So Big
- 1926 Sinclair Lewis - Arrowsmith
- 1927 Louis Bromfield - Early Autumn
- 1928 Thornton Wilder - The Bridge of San Luis Rey
- 1929 Julia Peterkin - Scarlet Sister Mary
- 1930 Oliver Lafarge - Laughing Boy
- 1931 Margaret Ayer Barnes - Years of Grace
- 1932 Pearl S. Buck - The Good Earth
- 1933 T. S. Stribling - The Store
- 1934 Caroline Miller - Lamb in His Bosom
- 1935 Josephine Winslow Johnson - Now in November
- 1936 Harold L. Davis - Honey in the Horn
- 1937 Margaret Mitchell - Gone With the Wind
- 1938 John Phillips Marquand - The Late George Apley
- 1939 Marjorie Kinnan Rawlings - The Yearling
- 1940 John Steinbeck - The Grapes of Wrath
- 1941 no award given
- 1942 Ellen Glasgow - In This Our Life
- 1943 Upton Sinclair - Dragon's Teeth
- 1944 Martin Flavin - Journey in the Dark
- 1945 John Hersey - A Bell for Adano
- 1946 no award given
- 1947 Robert Penn Warren - All the King's Men
