William Butler Yeats 
King’s Threshold; On Baile’s Strand; Deidre; Shadowy Waters [PDF ebook] 

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. I can breathe again. You have taken a great burden from my mind, For that old custom’s not worth dying for.