Title: A Sermon Preached before the Parliament, the Councill of State, the Lord Major, Aldermen, and Common Councill of the City of London, and the Officers of the Army, In Christ-Church London, Octob. the 6th. A.D. 1659. Being the Publick day of Thanksgiving appointed by the Parliament, to be cele- brated in the Cities of London and Westminster, and parts adjacent, for the suppression of the Northern Insurrection