Forlorn! the very word is like a bell To toll me back from thee to my sole self! Adieu! the fancy cannot cheat so well As she is famed to do, deceiving elf.

-Keats,John
  Lamia, Isabella, The Eve of St.  Agnes and Other Poems,'Ode to a Nightingale', stanza 8.

And I will fare to Avalun, to the fairest of all maidens, to Argante the queen, an elf most fair, and she shall make my wounds all sound.

-Layamon   fl.c.1190
c.1190  Brut (translated by Eugene Mason,1912).