References in classic literature ?
This time he sailed to Guiana in South America, in search of Eldorado, the fabled city of gold.
For Raleigh promised, if he were set free, to seek once more the fabled Golden City, and this time he swore to find it and bring home treasure untold to his master the King.
Only man could have placed that collar there, and as no race of Martians of which we knew aught ever had attempted to domesticate the ferocious apt, he must belong to a people of the north of whose very existence we were ignorant--possibly to the fabled yellow men of Barsoom; that once powerful race which was supposed to be extinct, though sometimes, by theorists, thought still to exist in the frozen north.
Fragment #1 -- Photius, Epitome of the Chrestomathy of Proclus: The Epic Cycle begins with the fabled union of Heaven and Earth, by which they make three hundred-handed sons and three Cyclopes to be born to him.