Luckily, much of his work has entered the public domain, so it it relatively easy to track down more of his work.
|The Flower Woman|
Speaking as a gamer, I cannot understand why no one has ever run an adventure based on The Maze of Maal Dweb is a cosmic shame. It makes the Tomb of Horrors look like a walk to the candy store.
A link to more Ashton Smith inspired work.