Nature and the American : Three centuries of changing attitudes /

Eitemau Tebyg

• American scholarship in the twentieth century /
  Cyhoeddwyd: (1967)
• American perspectives : The national self-image in the twentieth century /
  gan: Spiller, Robert E.
  Cyhoeddwyd: (1961)
• Modern American society : Readings in the problems of order and change /
  gan: Davis, Kingsley Etc
  Cyhoeddwyd: (1948)
• America and Americans /
  gan: Steinbeck John
  Cyhoeddwyd: (1966)
• America and Americans /
  gan: Steinbeck, John
  Cyhoeddwyd: (1966)