This title, first published in 1990, is a census of the manuscripts of William Butler Yeats. The census includes not only his books, plays and poetry but also the whereabouts of many of Yeats's letters and speeches, and will be of particular interest to students of literature.
For further reading please refer to Conrad A. Balliet's chapter 'A Supplement to W. B. Yeats: A Census of the Manuscripts' in Richard J. Finnerman's (Editor) Yeats: An Annual of Critical and Textual Studies (Volume XIII, 1995, The University of Chicago Press).