"The Wild Swans at Coole" by W. B. Yeats is a poetry collection published in 1917 and expanded in 1919. This middle-period work explores Irish nationalism and the creation of an Irish aesthetic. The collection includes elegies for fallen friends, reflections on love and memory, and meditations on aging and change. Originally containing twenty-nine poems and a play, the expanded edition features forty-six poems that capture a pivotal moment in Yeats's artistic evolution. (This is an automatically generated summary.)