The bulk of the collection comprises papers relating to both published and unpublished works by Jack Horner, most of which concern Aboriginal rights issues. They include correspondence, research material and edited drafts. There are papers relating to the involvement of Horner and his wife with the Australian Council of Churches Commission on Aboriginal Development. They include agenda, minutes of meetings and related documentation. A small amount of correspondence is included in the papers, most of which relates to research for and publication of works by Jack Horner. Correspondents include Faith Bandler, Rev. F.G. Engel, Bill Gammage, Lex Grey and Dame Edith Lyons.