The original romance ca. 1400 was probably condensed into ballad form ca. 1700, though there are dissenting views on this. Walter Scott expanded the ballad into three parts, adding a sequel which incorporated the prophecies ascribed to Thomas, and an epilogue where Thomas is summoned back to Elfland after the appearance of a sign, in the form of the milk-white hart and . Numerous prose retellings of the tale of Thomas the Rhymer have been undertaken, and included in fairy tale or folk-tale anthologies; these often incorporate the return to Fairyland episode that Scott reported to have learned from local legend.