- Fourteen journeys to Unitarianism;: Statements of religious belief prepared from personal interviews by Jeannette Hopkins, 1954
- Unitarianism in the Antebellum South: the Other Invisible Institution.(Book Review): An article from: Journal of Southern History by John P. Daly, 2003-05-01
- Boston Unitarianism, 1820-1850: A Study Of The Life And Work Of Nathaniel Langdon Frothingham (1890) by Octavius Brooks Frothingham, 2007-10-17
- A Pocket Guide to Unitarianism; New Edition Completely Revised and Enlarged by Harry, ed. Scholefield, 1960
- A second letter to the Rev. William E. Channing,: On the subject of Unitarianism ([Waterman pamphlets, v. 43, no. 6]) by Samuel Worcester, 1815
- Unitarianism in the Antebellum South: The Other Invisible Institution.(Book Review): An article from: The Historian by Ann Lee Bressler, 2003-03-22
- English Unitarianism by Eugene, Comte Goblet Dalviella, 2005-12-30
- Comparative studies in religion,: An introduction to Unitarianism, (The Beacon series, a graded course of study for the Sunday school) by Henry T Secrist, 1909
- LETTERS ON UNITARIANISM; Addressed to the Members of the First Presbyterian Church in the City of Baltimore by Samuel, D.D. Miller, 1821
- Christology in American Unitarianism : An Anthology of Outstanding 19th and 12th by Prescott Browning Wintersteen, 1977
- Unitarianism and Universalism,: An illustrated history by Henry H Cheetham, 1962
- Unitarianism in Utah: A Gentile Religion in Salt Lake City 1891-1991
- PRIESTLEY AND UNITARIANISM: TWO LECTURES. by Philip. Harwood, 1842
- The English Presbyterians, from Elizabethan Puritanism to Modern Unitarianism by C. Gordon, et al. Bolam, 1968
|