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Of this saga there are other versions found in "Fagrskinna" and in "Flateyjarbok". The "Flateyjarbok" version is to a great extent a copy of Snorre. The story about Halfdan's dream is found both in "Fagrskinna" and in "Flateyjarbok". The probability is that both Snorre and the author of "Fagrskinna" must have transcribed the same original text. — Ed.