1909 'To a Poet, who would have me Praise certain Bad Poets, Imitators of His and Mine', complete poem. Collected in The Green Helmet and Other Poems (1910).
William Butler Yeats (2010). “The Collected Works of W.B. Yeats Vol X: Later Article: Uncollected Articles, Reviews, and Radio Broadcasts Written After 1900”, p.212, Simon and Schuster