TY  - BOOK
AU  - Clark,Grahame
AU  - Piggott,Stuart
TI  - Prehistoric societies
T2  - The History of human society
U1  - 913.031 
PY  - 1965///. [Reprent 1968]
CY  - London
PB  - Hutchinson
KW  - Prehistoric peoples
N1  - Includes Bibliography and Index
ER  -