""The Frog Prince; or, Iron Henry" (German: Der Froschkönig oder der eiserne Heinrich, literally "The Frog King or the Iron Henry") is a German fairy tale collected by the Brothers Grimm and published in 1812 in Grimm´s Fairy Tales (KHM 1). Traditionally, it is the first story in their folktale collection. The tale is classified as Aarne-Thompson type 440." - (en.wikipedia.org 16.05.2021)
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