Disney worked from Perrault rather than from the Grimms, and the choice is visible in what is on screen: the fairy godmother, the pumpkin coach and the glass slipper are all Perrault's and none of them is in the Grimm version, where the help comes from a tree on the mother's grave and birds peck out the stepsisters' eyes. The film keeps Perrault's forgiving ending too.
