Which 1931 Virginia Woolf novel, whose last line repeats its title, follows six friends from childhood to old age?

James Thurber and E.B. White wrote a 1929 book titled "Is" what "Necessary?" 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? A 1932 federal kidnapping law bears the name of which aviator whose child was kidnapped in 1932? A 1933 New Deal measure set up which agency to provide electric power in part of the South? A 1934 headline read "He Used Wooden Gun to Escape". Who was he? A 1934 New York taxi drivers' strike led which playwright to write "Waiting for Lefty"?