This would be a standard way of saying that there are a lot of retellings of the legend that claim to have got it from a specified source. Not sure how that fits into your context.
eg
"Includes source references and many illustrations"
www.lkwdpl.org/lhs/mythology

... might be one way to go about this one - see, for example,

http://www.dcs.gla.ac.uk/Keith/Preface.html
"... I had to face the problem of balancing clarity of exposition with ***density of references***. I was tempted to give large numbers of references but was afraid they would have destroyed the continuity of the text. I have tried to steer a middle course and not compete with the Annual Review of Information Science and Technology. ..."

http://www.canlit.ca/reviews/archive/169/2822_king.html
"... Nor does this exhaust the potential of wings which Davidson goes on to relate to the turkey wing Elaine consumes, Stephen's favourite song "A Wing and a Prayer," and his fall from the hijacked plane. While the more sophisticated reader will appreciate the ***density of references***, the novice may well find the rate of connection too rapid and allusive. Still, both Davidson and Thompson attempt, in their differing ways, to educate the reader to a sympathetic understanding of both victims and victimizers in these contemporary texts. ..."