James Thurber and E.B. White wrote a 1929 book titled "Is" what "Necessary?"

A 1928 biography of which religious figure was titled "Gotama the Man"? A 1928 Republican campaign slogan promised what "in every pot" and a car in every garage? Which 1928 Bryn Mawr graduate won her first acting Oscar in 1934? The 1928 treaty outlawing war was drawn up by Frank Kellogg and which French foreign minister? Which 1929 Fats Waller song says "Ain't" doing this, "I'm savin' my love for you"? Which name is shared by a 1930 Marx Brothers film and treats packaged in a circus-wagon box? Which 1930 Wallace Beery movie shares its name with slang for a prison? Which 1931 Virginia Woolf novel, whose last line repeats its title, follows six friends from childhood to old age?