Katie Woodencloak or Kari Woodengown (originally Kari Trestakk) is a Norwegian fairy tale collected by Peter Christen Asbjørnsen and Jørgen Moe in Norske Folkeeventyr. Andrew Lang included it in The Red Fairy Book.
It is Aarne-Thompson type 510A, the persecuted heroine. Others of this type include Cinderella, The Sharp Grey Sheep, The Golden Slipper, The Story of Tam and Cam, Rushen Coatie, The Wonderful Birch, and Fair, Brown and Trembling.
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