The American Frontier

समान संसाधन

• History of the American frontier, 1763 - 1893
  द्वारा: Paxson, Frederic L.
  प्रकाशित: (1924)
• La Frontière
  द्वारा: Johnson, Uwe
  प्रकाशित: (1962)
• 21 Frontier Towns : The Story of Israel's Development Towns and the People in Them
• Frontier : Mythos und Realität in den USA
  द्वारा: Schröder, Hans-Jürgen
• The psychological frontiers of society
  द्वारा: Kardiner, Abram
  प्रकाशित: (1948)