TY  - BOOK
AU  - Ray Allen Billington y Martin Ridge
TI  - Westward expansion: A history of the American frontier
SN  - 23098406
U1  - 973 B496w Ej. 1 
PY  - 0000///Macmillan
PB  - 1982
KW  - 1803-1865 États-Unis (Ouest) Histoire États-Unis Expansion territoriale États-Unis Histoire Frontier Geschichte History Mississippi River Valley Mississippi River Valley History 1803-1865 Mississippi, Vallée du Histoire 1803-1865 Siedlung Territorial expansion USA USA Weststaaten United States United States History United States History 1783-1865 United States Migration, Internal United States Territorial expansion United States, West History West (U.S.) History West United States
ER  -