Praying Villages (Christian Mission Communities) in Massachusetts in the 1600s.
The history of Concord, Massachusetts By Alfred Sereno Hudson (1904)
A History of the Town of Concord, Middlesex County, Massachusetts By Lemuel Shattuck (1835)
Proceedings of the Littleton Historical Society, Herbert Joseph Harwood, (Littleton, Massachusetts : published by the historical society. 1896)
Historical Account of the Doings and Sufferings of the Christian Indians in 1675 - 1677, By Daniel Gookin (1677)
Biography and history of the Indians of North America, from its first discovery, by Samuel Gardner Drake (1848)