This TCM Greatest Classic Films Set includes these four great films:Chisum (1970) Wayne stars as John Chisum, a real-life cattle king determined to protect his empire against a land-grabbing developer (Forrest Tucker). Waynes no-nonsense persona snugly fits this lively reworking of the events of New Mexicos 1878 Lincoln County War.The Train Robbers (1973) Three Civil War veterans (Wayne, Rod Taylor and Ben Johnson) team up with a train robbers widow (Ann-Margret) to recover a half-million in gold. But the dead mans ex-partners want the gold, and theyll kill to get it in this rollicking caper from writer/director Burt Kennedy.Cahill: United States Marshal (1973) Lawman J.D. Cahill (Wayne) can stand alone against an army of bad guys. But as a widower father, hes on insecure footing raising two sons. Particularly when he suspects theyre involved in a bank robbery and two killings in this suspenseful blend of action and heroic sentiment.McQ (1974) As Detective Lon McQ, Wayne thunderously enforces the law in a high-velocity thriller thats like a big-city revenge Western on wheels. Directed by action master John Sturges and written by coproducer Lawrence Roman, McQ isa breathless, gritty showcase for the Duke.