Completes William A. Ringler, Jr.'s plan for a comprehensive index of Tudor poetry from the late Middle Ages to the beginning of the Stuart era. Previous works were: The index of Middle English verse, ed. Carleton Brown and Rossell Hope Robbins (1943); and its Supplement, ed. Robbins and John L. Cutler (1965); Ringler's Bibliography and index of English verse printed 1476-1558; and his Bibliography and index of English verse in manuscript 1501-1558.