Authentication Score 2
Citation
Turner, Frederick Jackson. "The Significance of the Frontier in American History." American Historical Association meeting. 1893, World's Columbian Exposition, Chicago, IL, USA.
American frontier
Turner, Frederick Jackson. "The Significance of the Frontier in American History." American Historical Association meeting. 1893, World's Columbian Exposition, Chicago, IL, USA.
Johnson, Lyndon B. "Second Inaugural Address." 20 Jan. 1965, East Portico, US Capitol Building, Washington, DC, USA.
Cather, Willa, My Ántonia. Houghton Mifflin, 1918, bk. 1, ch. 1.
Cather, Willa. My Ántonia. W. W. Norton & Co., 2015, bk. 1, ch. 1.
On the closing of the American frontier.
Porter, Robert P. Census Bureau's bulletin declaring the closing of the frontier. c. 1891.
Turner, Frederick Jackson. "The Significance of the Frontier in American History." American Historical Association meeting. 1893, World's Columbian Exposition, Chicago, IL, USA.