True Grit (1969)
WESTERNS! Like: Stagecoach, The Cowboys, The Sons of Katie Elder, She Wore a Yellow Ribbon, The Searchers, Rooster Cogburn, The Man Who Shot Liberty Valance, Rio Lobo, Big Jake, Cahill U.S. Marshall,...
Discuss here: http://www.imdb.com/board/bd0000088/flat/234077436
Note: He did make a few detective movies, a few historical pieces, and a romance or two, but most of his work was in these genres.