""Letters Addressed To Caleb Strong, Late Governor Of Massachusetts: Showing That Retaliation, Capital Punishments, And War, Are Prohibited By The Gospel"" is a book written by Samuel Whelpley in 1818. The book is a collection of letters written to Caleb Strong, the former governor of Massachusetts, arguing that the principles of the Gospel prohibit the use of retaliation, capital punishment, and war. Whelpley uses biblical references and historical...