Weapons and warfare of the [20]th century /

Eitemau Tebyg

• Law and opinion in England in the 20th century /
  gan: Ginsberg, Morris
  Cyhoeddwyd: (1959)
• Terrorism, asymmetric warfare, and weapons of mass destruction : defending the U.S. homeland /
  gan: Cordesman, Anthony H.
  Cyhoeddwyd: (2008)
• History of the [20th] century /
  Cyhoeddwyd: (1976)
• Encyclopedia of 20th century /
  Cyhoeddwyd: (1995)
• Genetics in the 20th century
  Cyhoeddwyd: (1951)