Why I Am Not a Christian was originally given as a public lecture for the South London Branch of the National Secular Society at Battersea Town Hall on 6 March 1927.

The Faith of a Rationalist was originally given as a radio talk on the BBC Home Service on 20 May 1947, in a series called "What I Believe" (when sceptical views were broadcast for the first time after twenty years of campaigning by the freethought movement).

A book by Edward Royle, originally published in 1974.

Edward Royle is an Emeritus Professor in the Department of History and a member of the Centre for Eighteenth-Century Studies at the Univerity of York.

An essay by Margaret Knight, first published in 1955, again in 1964 and reprinted in 1975.

Margaret Knight tells the other side of the story of Christ and Christianity which Christians would rather you not know.

First published in 1975 and reprinted in 1992

In 1955 psychologist, broadcaster and humanist Margaret Knight stunned post-war Britain by suggesting in two talks on the BBC’s Home Service (now Radio 4), that moral education should be uncoupled from religious education.

Read this article on Margaret Knight by Marilyn Mason.

This chronology was written in 1957 by G. H. Taylor and summarises the movement from 1840 to 1957.