A narrative of the mission of the United Brethren among the Delaware and Mohegan Indians : from its commencement, in the year 1740, to the close of the year 1808. Comprising all the remarkable incidents which took place at their missionary stations during that period. Interspersed with anecdotes, historical facts, speeches of Indians, and other interesting matter / By John Heckewelder, who was many years in the service of that mission.