Greene, Maria Louise, The Development of Religious Liberty in Connecticut. Boston and New York, 1905.
Hayward, John, The Religious Creeds and Statistics of Every Christian Denomination in the United States and British Provinces. Boston, 1836.
Herzog, J. J. and Plitt, G. L., Real-Encyklopädie für protestantische Theologie und Kirche. 2. Aufl. 18 vols. Leipzig, 1877–1888.
Herzog, J. J. and Hauck, A., Realencyklopädie für protestantische Theologie und Kirche. 3 Aufl. 24 vols. Leipzig, 1896–1913.
Lauer, Paul E., Church and State in New England. In Johns Hopkins University Studies in Historical and Political Science, Tenth Series, ii-iii, Baltimore, 1892, pp. 83–188.
Reed, Susan Martha, Church and State in Massachusetts, 1691–1740. Urbana, Ill., 1914. In University of Illinois Studies in the Social Sciences, iii, 4.
Swift, Lindsay, The Massachusetts Election Sermons. In Publications of the Colonial Society of Massachusetts, i, Transactions, 1892–94, pp. 388–451. Reprinted as Swift, Lindsay, The Massachusetts Election Sermons: An Essay in Descriptive Bibliography. Cambridge, 1897.
Walker, Williston, The Creeds and Platforms of Congregationalism. New York, 1893.
Walker, Williston, A History of the Congregational Churches in the United States. New York, 1894. (American Church History Series).