TY  - BOOK
AU  - Cox,F.Kenneth
TI  - Human heritage: a world history 
SN  - 0675028906
PY  - 1981///
CY  - Columbus, Ohio
PB  - Merrill Publishing Co.
KW  - Civilization
KW  - History
KW  - Juvenile literature
KW  - Համաշխարհային պատմություն
N1  - Includes index; Contents : Prehistoric times--The river valley civilization--Ideas and armies
ER  -