00489nam a22001457a 4500003000400000005001700004008004100021040002900062050002000091100002000111245009400131260005900225300001000284650004900294OSt20250827095921.0250827b        |||||||| |||| 00| 0 eng d  cChuka University Library  aCB 69 .K44 2016  aRobert L. Kelly  aThe Fifth BeginningbWhat Six Million Years of Human History can Tell Us About Our Future  aOakland, CarlifoniabCalifornia University Pressc2016  a149P.  a1. Civilization 2. Culture 3. Social History