1. What is freethought? / Mark Weblin Author: Weblin, Mark Michael Format: Book Language: English Published: 2001
2. Frightened freethinkers and timid rationalists : a case of attempted censorship / by Nigel Sinnott Author: Sinnott, Nigel H. (Nigel Hugh), 1944- Format: Book Language: English Published: 2006
3. Secular who's who : a biographical directory of freethinkers, secularists, rationalists, humanists and others involved in Australia's secular movement from 1850 onwards-- /... Author: Dahlitz, Ray, 1926- Format: Book Language: English Published: 1994]
4. Papers of Nigel H. Sinnott 1944-1984 [manuscript] Author: Sinnott, Nigel H. (Nigel Hugh), 1944- Format: Manuscript Language: English Published: [1944-1984]
5. Papers of Harry Pearce, [ca. 1875-1984] [manuscript] Author: Pearce, Harry Hastings, 1897-1984 Format: Manuscript Language: English Published: [1875-1984]