The System of Yeats's "A Vision" - An attempt to offer a clear and helpful guide to the ideas of A Vision. Explores this esoteric system created by George and W. B. Yeats around the spiral gyre and the phases of the moon.
William Butler Yeats - USB Manuscript Collections: William Butler Yeats Microfilmed Manuscripts Collection
Yeats Museum - Information on a small museum which is a permanent tribute to the artistic achievements of the Yeats family, including John Butler Yeats and Jack B. Yeats.
Yeats Society of New York - Calendar of Yeats Society events and activities in NYC, and links to Yeats resources on the net
Yeats Society Sligo - Site devoted to the perpetuation of the artistic heritage of the Yeats family and to the celebration of the life and achievements of William Butler Yeats and his poetry.