Cathleen Polgreen (Polgreen, Cathleen)

used books, rare books and new books

• 
  Backyard Safari

  ISBN 9780385052221 (978-0-385-05222-1)
  Hardcover, Doubleday, 1971

  
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• 
  Earth in Space
  

  by John Polgreen, Cathleen Polgreen

  ISBN 9780394801278 (978-0-394-80127-8)
  Hardcover, Random House Trade, 1963

  
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