The Rebecca Moore Papers (1951-2013) consist of correspondence, drawings, school records, news clippings, research materials, research papers, publications, and audiovisual materials. The collection is divided into six series, which are organized alphabetically unless otherwise noted: Correspondence; Professional Materials; Miscellaneous Family Documents, Cards, and Clippings; John Moore Papers; Collected Publications; and Audiovisual Materials.

The Correspondence series (1952-2002) is divided into three sub-series: Letters from Rebecca Moore to John and Barbara Moore, Family Correspondence, and Professional Correspondence. The Letters from Rebecca Moore to John and Barbara Moore sub-series (1962-1989) contains correspondence from Rebecca (Becky) Moore to her parents, and is organized chronologically. Noteworthy letters include those written in 1979 in the wake of the tragedy at Jonestown. Family Correspondence (1952-2002) is comprised of letters from various members of Rebecca Moore’s family including her sisters Carolyn and Annie. The Professional Correspondence sub-series (1995-2011) is made up of letters to or from Rebecca Moore, written in a professional setting. Letters of recommendation written for students are also included.

The Professional Materials series (1980-2013) consists of lectures, research materials and research papers. Highlights include Dr. Moore’s collected research on varying religious organizations and her research papers written throughout her academic career.

The Miscellaneous Family Documents, Cards, and Clippings series (1951-2011) contains drawings, school records, writings, and manuscript chapters. One noteworthy item is a birthday card for John Moore illustrated by Annie Moore and signed by her, Jim Jones, and Carolyn Moore Layton.

The John Moore Papers series (1974-1995) is made up of materials that belonged to John Moore, Rebecca Moore’s father. Most of the files contain documents relating to Peoples Temple and Jonestown and some collected family materials are also included.

The Collected Publications series (1966-2009) consists of books, pamphlets, newsletters and journals. Materials pertain to religious studies and the study of new or alternative religious movements, as well as Washington, D.C. television and theatre journals for which Moore (then "Moore Clary") worked as an editor.

The Audiovisual Materials series (2002-2011) contains DVDs, cassette tapes, a CD-ROM, and a floppy disk. Notable items include video recordings of the Toward a Reasonable World conference in 2011.