Here are some of his notable works:
Dragonlance:
* Dragons of Autumn Twilight (1984) - the first book in the series, co-authored with Margaret Weis
* Dragons of Winter Night (1985) - the second book in the series, co-authored with Margaret Weis
* Dragons of Spring Dawning (1985) - the third book in the series, co-authored with Margaret Weis
* The Legend of Huma (1987) - a prequel to the original trilogy, co-authored with Margaret Weis
* The Time of the Twins (1989) - a sequel to the original trilogy, co-authored with Margaret Weis
* Dragons of the Dwarven Depths (1992) - the first book in the "Legends" series, co-authored with Margaret Weis
* Dragons of the Red Scepter (1993) - the second book in the "Legends" series, co-authored with Margaret Weis
* Dragons of the Lost Star (1994) - the third book in the "Legends" series, co-authored with Margaret Weis
Other Works:
* The Chronicles of the Black Sword (1994) - a fantasy series, co-authored with Margaret Weis
* The War of the Lance (1994) - a historical account of the Dragonlance War
* The Book of Swords (2001) - a compilation of Dragonlance material
Palmer has also written several other short stories and articles for various fantasy publications.
It's worth noting that Palmer's primary contribution to the Dragonlance series was in co-creating the world and its lore, while Weis was responsible for the overall story structure and character development.