275個故事中,只有76個較為符合代代相傳的模式,當中4個可以一路回推到印歐語系誕生之初的「原始印歐語」(Proto-Indo-European language),也就是「原始印度伊朗語(Proto-Indo-Iranian language)」與「原始西印歐語(Proto-Western-Indo-European language)」尚未分家的古早年代。其中機率最高的達到87%,是從印度到歐洲廣泛分佈的《鐵匠與魔鬼(The Smith and the Devil)》。
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