The American frontier thesis : attack and defense /
Ray Allen Billington.
- Washington, D.C. : American Historical Association, 1971.
- 58 p.
- American Historical Association. AHA Pamphlets; 101 .
1958 and 1965 editions published under title : The American frontier.
Includes bibliographical references.
Turner, Frederick Jackson, 1861-1932, --The frontier in American history.