Possible Clues:

• Poet William Butler or painter Jack B
• Yankee devours Byzantium writer
• William Butler .. . . ., Nobel-winning poet
• W. B. —, Irish poet
• Irish poet and dramatist, d. 1939
• Play's ending worries Irish writer
• W . B. —, Irish poet
• 1923 Irish literature Nobelist
• Youth leader scoffs at a poet
• ''The Second Coming'' poet