The and the prepared in 1647 by the Westminster Assembly, a synod of Calvinistic divines, in London, 1645 to 1652, which vainly tried to unite the churches of Great Britain on a Calvinistic basis. Both were approved by Parliament and by the Scottish Kirk, 1648. The , for public use, is extensively used by Protestants. The , for ministers, is little used. Both contain an exposition of the Ten Commandments and of the Lord’s Prayer. The Apostles’ Creed is appended, also a statement of Calvinistic doctrine.