George Handley Knibbs (Knibbs, George Handley)

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  The Mathematical Theory of Population, of Its Character and Fluctuations, and of the Factors Which Influence Them
  by Australia, George Handley Knibbs
  Hardcover, Arno Press, ISBN 0405079850 (0-405-07985-0)
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  The Shadow of the World's Future
  by George Handley Knibbs
  Hardcover, Arno Press, ISBN 0405079869 (0-405-07986-9)