World in the twentieth century. /

Antzeko izenburuak

• World in the twentieth century /
  nork: Bruun, Geoffrey
  Argitaratua: (1967)
• World in the twentieth century. /
  nork: Snyder, Louis L.
  Argitaratua: (1955)
• Twentieth-century world /
  nork: Keylor, William R.
  Argitaratua: (2001)
• Nineteenth-century European civilizatiob /
  nork: Bruun, Geoffrey
  Argitaratua: (1954)
• World in the twentieth century /
  nork: Snyder, Louis L.