The frontier and American military tradition. [19th Harmon Memorial Lecture] The contribution of the frontier to the American military tradition / Robert M. Utley -- A comparison of military frontiers. Comparison of U.S./Canadian military experience on the frontier / Desmond Morton -- The Navy on the frontier / Raymond G. O'Connor ; Commentary / Robert G. Athearn, Richard A. Preston -- Impact of the military on the frontier. The political role of the military on the frontier / Richard N. Ellis -- The socializing role of the military / Jack D. Foner -- The military and the Colorado frontier / Marshall Sprague ; Commentary / Roger L. Nichols -- Military life on the frontier. The enlisted soldier on the frontier / Henry P. Walker -- The ladies of the army : views of western life / Sandra L. Myres ; Appendix A. Books by officers' wives ; Appendix B. Reviews of books by officers' wives ; Commentary / James T. King -- The Seventh Military History Symposium in perspective. Commentary / Theodore Ropp, Harry L. Coles, Francis Paul Prucha.