R. WALLACE. _Anti-trinitarian Biography_, 3 vols., Lond., 1850.
A. GORDON. _Heads of English Unitarian History_, 1 vol., Lond., 1895.
J.H. ALLEN. _Unitarianism since the Reformation_, 1 vol., New York,
1894.
J.J. TAYLER. _Retrospect of the Religious Life of England_, 1 vol.,
Lond. (3rd Ed.), 1876.
W.G. TARRANT. _Story and Significance of the Unitarian Movement_, 1
vol., Lond., 1910. (Gives more detailed references.)
For statistics and special characteristics of the various Liberal
Religious bodies in general accord with Unitarians see the following
records of the International Congresses:--
_Liberal Religious Thought at the Beginning of the Twentieth Century._
Ed. by W. COPELAND BOWIE, Lond., 1901.
_Religion and Liberty._ Ed. by P.H. HUGENHOLTZ, jun., Leyden, 1904.
_Actes du III'me Congrès International du Christianisme Libéral et
Progressif._ Ed. by E. MONTET, Geneva, 1906.
_Freedom and Fellowship in Religion._ Ed. by C.W. WENDTE, Boston, 1907.
_Fifth International Congress of Free Christianity and Religious
Progress._ Ed. by WENDTE and DAVIS, Berlin (and London), 1911.