From WordNet (r) 2.0 (August 2003) [wn]:
folklore
n : the unwritten literature (stories and proverbs and riddles
and songs) of a culture
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Folklore \Folk"lore`\, n., or Folk lore \Folk" lore`\ .
Tales, legends, or superstitions long current among the
people; the unwritten literature of a culture, such as
stories, proverbs, riddles and songs. --Trench.
[1913 Webster + WordNet 1.5]