Contains annual files, assessments, bibliographies, planners, letters, conferences and symposium papers, and the unpublished writings of Gillum. Most of the material concerns Gillum's professional responsibilities as Ancient Studies Librarian at Brigham Young University, dating from 1970-2014.

Contains bibliographies, articles, event programs, indexes, and notes concerning Hugh Nibley and the presentation of Gillum's research on Nibley. Correspondence and articles written by Hugh Nibley are also included. The papers date from 1926 to 2009.

Contains manuscripts, drafts, research notes, photocopies of books, articles and other material, and bibliographies written and collected by Hugh Nibley pertaining to his publications. Topics of the material include the Joseph Smith papyri, Abraham, the Pearl of Great Price, and many other topics related to Christianity and Mormon doctrine. Materials date from approximately 1926 to 2008.

Contains articles, biographies, poems, certificates, diplomas, research papers, bibliographies, notes, letters, and drawings collected by Hugh Nibley. Contents document the life of Hugh Nibley, or are about some of his books or various religious topics. Materials date from 1927 to 2005, bulk from 1963 to 1997.