The Sarantine Mosaicv alludes to works by which poet who helped to found the Abbey Theater?
W. B. Yeats: William Butler Yeats ( ; 13 June 186528 January 1939) was an Irish poet and one of the foremost figures of 20th century literature. W. B. Yeats:  A pillar of both the Irish and British literary establishments, he helped to found the Abbey Theatre, and in his later years served as an Irish Senator for two terms.
i don't know