This adaptation is based on a Neopolitan tale recorded and published in the late nineteenth century. Most interesting in this tale is the valorous role played by the youngest daughter of a family blessed with too many daughters and the way she outwits a king with cross-dressing and a magic puppy.
Zipes, Jack. "The Two Merchants: Adapted from an Italian Folktale." Marvels & Tales 15.2 (2001). Web. <https://digitalcommons.wayne.edu/marvels/vol15/iss2/3>.