Sir Orfeo: Adapted From the Middle English. E-book. Formato PDF Edward Eyre Hunt   -  Forgotten Books, 2017  - 

Professor Schofield, in his "English Literature from the Norman Conquest to Chaucer," writes as follows:"In Celtic tradition there were kings as well as queens of the Otherworld, and they too were known to cast loving eyes on mortals. In 'Sir Orfeo' we have an unusually happy embodiment of this conception in a story where it had originally no place.