The Rev. Abraham Pierson Sr., was one of the most prominent figures in the New Haven Colony, and his activities are well-documented in many places, including the following.
Winthrop's Journal 'The History of New England' 1630-1649, edited by James Savage, 1853.
The Founding of Harvard College, Samuel Eliot Morison, Harvard University Press, Cambridge, Mass., 1935, pages 91 and 396.
The History of Long Island, Peter Ross, Lewis Historical Publishing Co., New York, NY, 1902.
A History of the City of Newark, New Jersey, Lewis Historical Publishing Co., New York, NY, 1913
Pierson Millennium, by Richard E. Pierson and Jennifer Pierson, Heritage Books, October 1997. ISBN 0-7884-0742-2.
Early Connecticut Marriages as found on Ancient CHURCH Records Prior to 1800, by Frederick W. BAILEY, New Haven, Vol 2, 1896. These records show that the Rev. Abraham Pierson (Sr.) continued to perform weddings in Branford long after he moved to Newark.4