Smarthistory – The closing of the frontier
Remington mourns the decline of the cowboy by depicting the very thing that destroyed his iconic lifestyle.
American frontier - Expansion, Settlement, Westward Movement
The Frontier in American History by Frederick Jackson Turner
The Significance of the Frontier in American History: Turner
Closing The Western Frontier
13.8: America in the World - Humanities LibreTexts
Smarthistory – Reframing Art History a new kind of textbook
The Project Gutenberg eBook of The Frontier in American History
Closing The Western Frontier
Richard Caton Woodville, War News from Mexico (article)
Smarthistory-guide-to-Ancient-Greek-Art-1570549025 - Flip eBook