000 00394nam a2200109Ia 4500
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245 4 _aThe Frontier Thesis Valid Interpretation Of American History?
260 _bNew York : Holt Rinehart And Winston 1966.
300 _a122
546 _aEng
690 _aHistory ; United States ; Frontier ; Westwar Expansion ; History ; United States Of America.
999 _c24727
_d24727