Conversation so far:
what happened in 1925 with gary cooper?
In early 1925, Cooper began his film career in silent pictures.
what pictures did he do?
The Thundering Herd and Wild Horse Mesa with Jack Holt, Riders of the Purple Sage and The Lucky Horseshoe with Tom Mix, and The Trail Rider with Buck Jones.
did he win any awards for them?
Cooper landed high-profile roles in Children of Divorce and Wings, the latter being the first film to win an Academy Award for Best Picture.
who did he work with?
In 1928, Paramount paired Cooper with a youthful Fay Wray in The Legion of the Condemned and The First Kiss--advertising them as the studio's "glorious young lovers".
what was his greatest achievement?
Lilac Time with Colleen Moore for First National Pictures, his first movie with synchronized music and sound effects.
It became one of the most commercially successful films of 1928.
what is an important fact in this article?
he change his first name to "Gary" after her hometown of Gary, Indiana.
Are there any other interesting aspects about this article?
his skilled horsemanship led to steady work in Westerns.

Question: which westerns did he do?
Self-contained rewrite: which westerns did Gary Cooper do?