TY  - BOOK
AU  - Howells, William.
AU  - Gahan, Nancy.
TI  - Back of history: the story of our own origins 
PY  - 1963///
CY  - Garden City, New York
PB  - American Museum of Natural History, The Natural History Library
KW  - Prehistoric peoples
N1  - Includes index; Contents: The nature of human life -- The old hunters-the first step -- The new farmers- the second step -- The new societies -- The new world -- Cities and bronze- the third step
ER  -