I found another fine James Stewart Western in my collection today: Bandolero! A more tragic western movie in the end, but with funny elements too, starring James Stewart and Dean Martin riding with a gang of bank robbers.
And You should watch Two Rode Together (this one was mentioned before). James Stewart plays a US Marshal and Richard Widmark is a cavalry officer. Both are searching for children robbed by the Comanches. - it is not The Searchers, but another great John Ford movie!