A Discourse On My Lord Arch-Bishop of Canterbvry's And my Lord Bishop of London's Letters To The Clergy Touching Catechising, And The Sacrament of the Supper; With What is Required of Churchwardens and Ministers in Reference to Obstinate Recvsants. Also a Defence of Excommunication, as used by the Church of England against such. Preached March the 9th and 16th in the Parish Church of St. Swithins