DNB (Whitaker, William, 1548-1595; master of St. John's College, Cambridge)
His An answere to a certeine booke written by M. William Rainolds ... 1585 t.p. (William Whitaker, professor of divinitie in the Universitie of Cambridge)
InU/Wing STC files (usage: ... Guilielmi Whitakeri; William Whitakers)