Weapons and warfare of the [20]th century /

समान संसाधन

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