John Norris, Mary Astell (1705). “Letters concerning the love of God, between the author of the Proposal to the ladies, and Mr. John Norris: wherein his late discourse, showing that it ought to be intire and exclusive of all other loves, is further cleared and justified”, p.53
United States. President (1837-1841 : Van Buren), Martin Van Buren (1838). “Message from the President of the United States to the Two Houses of Congress: At the Commencement of the Third Session of the Twenty-fifth Congress”, p.10