TY  - BOOK
AU  - Clark, Grahame.
AU  - Piggott, Stuart.
TI  - Prehistoric societies / 
T2  - The History of human society
U1  - 060.9 
PY  - 1965/// (1968 printing)
CY  - New York : 
PB  - Knopf, 
KW  - Societies
N1  - Includes bibliographical references and index
ER  -