TY - BOOK ID - 134890771 TI - Westward extension, 1841-1850 PY - 1906 PB - New York : Greenwood Press, DB - UniCat KW - United States KW - History KW - Territorial expansion. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134890771 AB - ER -