Keyes, Nelson Beecher
The American frontier : our unique heritage,
by Nelson Beecher Keyes.
- 1st ed.
- Garden City : Hanover House, 1954.
- 384 p. 22 cm.
- 9(73) (NLA) .
Frontier and pioneer life--United States.
United States --Territorial expansion.
9(73) (NLA)