In which 1939 film does Bette Davis play a young socialite facing a fatal brain tumor?

In which 1939 film does the heroine vow, "As God is my witness, I'll never be hungry again"? Which 1939 novel is dedicated in part "To Tom, who lived it"? Carl Van Doren won a 1939 Pulitzer Prize for his biography of which kite-flying Founding Father? Denied permission to sing at Constitution Hall in 1939, Marian Anderson sang at which Washington landmark instead? Which founder of psychoanalysis, who died in London in 1939, sought to use the methods of science for therapeutic ends? Henry Fonda played which future president in a 1939 film? Which 1939 film features the line "I don't know nothin' 'bout birthin' babies!"? In the 1939 film "The Wizard of Oz," which actress snarls, "I'll get you, my pretty, and your little dog too"?