TY  - BOOK
AU  - Duiker,William J.
AU  - Spielvogel,Jackson J.
TI  - World history: to 1500 
SN  - 9780495569015 (main v.; chapters 1-30)
PY  - 2009///
CY  - Australia
PB  - Wadsworth Cengage
KW  - World history
ER  -