: Various papers explore the trope of the "separated twins" (Xiao Yu'er and Hua Wuque) as a representation of the dual nature of human morality—one raised in the Valley of Evil and the other in the Floral Palace .

Below are notable papers and academic resources related to the work:

If you are looking for a of the original manhua or novel, retailers like YesAsia list Traditional Chinese editions in paper format.