American scholarship in the twentieth century /

समान संसाधन

• Twentieth century unlimited : From the vantage point of the first fifty years /
  प्रकाशित: (1950)
• American perspectives : The national self-image in the twentieth century /
  द्वारा: Spiller, Robert E.
  प्रकाशित: (1961)
• Nature and the American : Three centuries of changing attitudes /
  द्वारा: Huth, Hans
  प्रकाशित: (1957)
• America and Americans /
  द्वारा: Steinbeck John
  प्रकाशित: (1966)
• America and Americans /
  द्वारा: Steinbeck, John
  प्रकाशित: (1966)