In the process of carrying out this kind of research, it is of course necessary to make an extensive collection of original folklore materials. Folk legends are especially important if you want to understand the development, evolution and special character of these novels.
這個研究過程當然就必需廣泛收集相關的原始史料，特別是來自民間的傳說，對瞭解它的發展、演變經過和特點很重要。