The duty of promoting the publick peace. A sermon, preached before the Right Honorable the Lord Mayor, the aldermen, sheriffs, and citizens of London, in the Cathedral Church of St. Paul, on Thursday January 30. 1723-4. Being the anniversary of the Martyrdom of King Charles I. By. William Crowe, A.M. rector of the United Parishes of St. Mary Magdalen's and St. Gregory's near St. Paul's, and lecturer of St. Martin's Ludgate.