Final answer:
The two titles of Natty Bumppo in James Fenimore Cooper's works are Pathfinder and A) The Deerslayer.
Step-by-step explanation:
The two titles of Natty Bumppo in works by James Fenimore Cooper are Pathfinder and The Deerslayer. Although there are other titles associated with Natty Bumppo, A) The Deerslayer is the correct answer to the question. Natty Bumppo is a significant character in Cooper's Leatherstocking series, which provides a romanticized depiction of early American frontier life and interactions with Native Americans.