The Frog Princess is a fairy tale that has multiple versions with various origins. It is classified as type 402, the animal bride, in the Aarne–Thompson index. Another tale of this type is the Norwegian Doll i' the Grass. Wikipedia
Genre: Fairy tale
Aarne–Thompson grouping: ATU 402 ("The Animal Bride")
Published in: Russian Fairy Tales by Alexander Afanasyev
Related: Puddocky; The Three Feathers