Bibliography
- Cohen, Chapman (1940). Almost an Autobiography: confessions of a freethinker. London: Pioneer Press.
- Royle, Edward (1974). Victorian Infidels: the origins of the British Secularist Movement, 1791-1866. Manchester: Manchester University Press. ISBN 0-7190-0557-4 Online version
- Royle, Edward (1980). Radicals, Secularists and Republicans: popular freethought in Britain, 1866-1915. Manchester: Manchester University Press. ISBN 0-7190-0783-6
- Smoker, Barbara (2002). Freethoughts: atheism, secularism, humanism - Selected Egotistically from "The Freethinker. (Selections of contributions to The Freethinker). London: G.W. Foote & Co. ISBN 0-9508243-5-6.
- Tribe, David (1967). 100 Years of Freethought. London: Elek Books.
- Tribe, David (1971). President Charles Bradlaugh, MP. London: Elek Books. ISBN 0-236-17726-5
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