Demographic yearbook 1950

Antzeko izenburuak

• Demographic yearbook 1951
  nork: United Nations. Statistical Office
  Argitaratua: (1951)
• Demographic yearbook 1952
  nork: United Nations Statistical Office
  Argitaratua: (1952)
• Yearbook of national accounts statistics. : individual country data /
  nork: United Nations. Statistical Office
  Argitaratua: (1983)
• Demographic Yearbook
  Argitaratua: (1976)
• Demographic year book 1958
  nork: United Nations
  Argitaratua: (1965)