Richard B. (Richard Brandon), 1904-1989 Morris
The Westward Movement 1832-1889
Richard B. (Richard Brandon), 1904-1989 Morris · 2019
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
Frontier and pioneer life -- West (U.S.)United States -- Territorial expansionWest (U.S.) -- History -- Sources