Chambers, Talbot Wilson. Memoir of the Life and Character of the Late Hon. Theo. Frelinghuysen, LL.D. New York: Harper & Brothers, 1863.
Eells, Robert J. Forgotten Saint: The Life of Theodore Frelinghuysen: A Case Study of Christian Leadership. Lanham, MD: University Press of America, 1987.
Warner, Henry Whiting [Theodore Frelinghuysen, presumed author]. An Inquiry into the Moral and Religious Character of the American Government. New York: Wiley & Putnam, 1838.