TY  - BOOK
AU  - Billington, Ray Allen
TI  - WESTWARD EXPANSION
U1  - 973 
PY  - 1960///
CY  - N. Y.
PB  - Macmillan
KW  - U. S. Territorial Expansion
KW  - U. S. -- Hist
KW  - Mississippi Valley -- Hist., 1803-1865
ER  -