TY  - BOOK
AU  - Billington ,Ray Allen 
TI  - Westward Pansion : : A History of the American Frontier 
U1  - 973 
PY  - 1970///
CY  - New York : 
PB  - The Macmillan Press, 
KW  - History
KW  - Indian Wars
KW  - Traders Frontier
KW  - Western Pennsylvania
ER  -