00524nam a2200169Ia 4500003000900000008004100009020001600050040001600066080001900082100001800101245008400119260003700203300001000240490005700250650002800307650001900335IN-BaIIA211028s9999    xx            000 0 eng d  a900558-31-2  cIIA Library  a03:930.85bHAL  aHale, John R. 0aAge of ExplorationcJohn R. Hale                                                 aHong KongbTime-Life Booksc1966  a192p.  aGreat ages of man : a history of the worlds cultures  aHistory of Civilization  aNASA Thesaurus