ier ▁Sh aped ▁The ▁American ▁Character ", ▁American ▁Heritage ▁Magazine , ▁April ▁ 1 9 5 8 ▁online ▁edition ▁ ▁West ward ▁Mov ement ▁in ▁the ▁United ▁States ▁Van ▁N ost rand , ▁ 1 9 5 9 ▁ ▁" W ords ▁That ▁W on ▁the ▁West ", ▁L ect ure ▁to ▁the ▁Public ▁Rel ations ▁Society ▁of ▁America , ▁San ▁Francisco , ▁California , ▁November ▁ 1 8 , ▁ 1 9 6 3 ▁online ▁edition ▁ ▁America ' s ▁Front ier ▁Heritage ▁Hol t , ▁R ine hart ▁and ▁W inst on , ▁ 1 9 6 3 ▁( re print ▁University ▁of ▁New ▁Mexico ▁Press , ▁ 1 9 9 3 ) ▁online ▁edition ▁ ▁The ▁Front ier ▁Th esis : ▁Valid ▁Inter pret ation ▁of ▁American ▁History ? ▁( editor ), ▁R . ▁E . ▁Krie ger ▁Pub . ▁Co ., ▁ 1 9 6 6 ; ▁ 1 9 7 7 ▁online ▁edition ▁ ▁The ▁American ▁Front ier ▁Th esis : ▁Att ack ▁and ▁Def ense ▁ 1 9 6 6 ▁online ▁edition ▁ ▁The ▁Gen esis ▁of ▁the ▁Front ier ▁Th esis ▁( 1 9 7 1 ) ▁ ▁Frederick ▁Jackson ▁Turner : ▁Histor ian , ▁Sch olar , ▁Te acher . ▁Oxford ▁University ▁Press , ▁ 1 9 7 3 ▁online ▁edition ▁ ▁America ' s ▁Front ier ▁Culture : ▁Three ▁Ess ays , ▁ 1 9 7 7 ▁online ▁edition ▁ ▁L imer icks , ▁Historical ▁and ▁H yst er ical , ▁ 1 9