The collection consists of assorted records divided by subject generated during the expedition and general material about Easter Island subsequently added. Records include correspondence, magazine clippings, newsletters, personnel lists, and reports.

The fonds consist of correspondence from 1935-1994; research from 1942-1987; published material from 1905-1996; oral history from 1983-1987; newspaper clippings from 1964-1994; and photographs from 1923-1985.

The fonds consist of Harrison's personal and professional materials related to his career, including correspondence, laboratory notes, teaching notes, and manuscripts. The fonds is divided into four series: Professional Life series (1966-2008); Undergraduate and Graduate Education (1941-A); Correspondence series (1973-2002), and Poetry series (1966-1968). A film is also included, entitled Asymmetry and Dissipation, or, Life is so Irreversible – listed in the Archives as UBC Film # 111.

The fonds consists of Craddock’s professional papers in the form of textual records (including correspondence, reports, minutes, course materials, interviews), published materials, technical research notes, presentation slides and reference materials. The papers primarily chronicle Craddock’s work and role at TRIUMF, particularly TRIUMF’s attempt to build a Kaon Factory particle accelerator. Many other aspects of TRUMF are documented in these papers, including- administration, various committees, workshops, published reports and research, various particle physics projects, physics reference files, and collaborations with other organizations. Craddock’s work on recording TRIUMF’s origins and history is also represented.
Outside of Craddock’s involvement with TRIUMF, other professional papers reflect his teaching career, talks, presentations, correspondence with colleagues, graduate students, and the public.