World in the twentieth century. /

Míreanna Comhchosúla

• World in the twentieth century /
  le: Snyder, Louis L.
• World in the twentieth century. /
  le: Bruun, Geoffrey
  Foilsithe: (1948)
• Twentieth-century world /
  le: Keylor, William R.
  Foilsithe: (2001)
• World in the twentieth century /
  le: Bruun, Geoffrey
  Foilsithe: (1967)
• Twentieth century world
  le: Martell, John
  Foilsithe: (1969)