Fieldwork notes, correspondence, photographs and papers relating to the Abelam people of Papua New Guinea and the peoples of the Bamenda province of Cameroon; correspondence with other anthropologists; notes on the Abelam language, data on Abelam individuals, drafts for a projected book on the yam cult of Abelam; and language material from the Cameroon.

Archive of the British Humanist Association, including: papers of the British Humanist Association and it's predecessors bodies, The Union of Ethical Societies, The Ethical Union and the Humanist Association,1887 - c.2001; papers of the Humanist Trust, 1958 - 1996; papers of groups affiliated to the British Humanist Association and it's predecessor bodies, The Union of Ethical Societies and The Ethical Union, 1892 - 2007; Uncatalogued material of the British Humanist Association, c.2000-2014. (1887-2014)