The Nathaniel Galloway papers [photocopies] (2001) consist of a diary which Galloway kept during a river expedition on the Colorado River as well as newspaper accounts and a letter describing the diary. The original materials were created in 1898-1960. Nathaniel Galloway was a famous river explorer and boatman.

The Frederick Gardiner papers (circa 1869) discusses Gardiner's early life in England, his journey to America, and life events up until the late 1860s. Gardiner was a convert to the LDS Church from England.

The Bae B. Gardner papers (1910-1997) contain diaries, correspondence, notebooks, essays, speeches, various articles and publications, and news clippings. Gardner was an employee at the Hinckley Institute of Politics at the University of Utah. Most of the collection contains information on Robert H. Hinckley, who founded the Hinckley Institute, and politics in general. Gardner grew up in Hinckley, Utah.

The Milford I. and Alda F. Gardner papers (1926-1980) contains addresses and articles on Mormon doctrines and LDS Seminary teaching materials. Included in the papers are issues of The Redeemed Hebrew, a newspaper directed to the conversion of Jews to Christianity along with genealogical materials on the Gardner and Fugel families and Milford Gardner's diary of a Mormon mission to the Eastern States, 1926-1928 and the diary of Alda F. Gardner.

The Royal Lovell Garff papers (1914-1996) contain journals, correspondence, scrapbooks, convention materials, articles, speeches, notes, notebooks, certificates, financial materials, pamphlets, speech cards, booklets, magazine excerpts, books, and news clippings, among other materials, that Royal Lovell Garff (1904-1994) used during his career as a teacher and public speaker.

The J. Calvin Giddings papers (1960-1998) contain personal diaries, correspondence, research materials, lecture notes, manuscripts, published articles, patent materials, and business materials collected by Giddings during his career as a professor and researcher at the University of Utah. Giddings (1930-1996) was a notable chemistry professor and researcher.

The William Simpson Gould papers (1897-1906) contains certificates, correspondence, financial records, diaries, and photograph albums documenting his experience as a missionary in Scotland.

The Francis Vinton Greene diary and letter (1874-1875) were created by General Francis Greene, a military engineer, historian, and businessman. Greene describes his activities around Yellowstone Park, mining conditions in Virginia City, Indian hostilities, and records latitude and longitude data during his travels.

The Thomas C. Griggs diaries (1861-1903) consist of photocopies of the original volumes 1-20.

The John Enoch Groberg diaries (1897-1899) (originals and copies of the same) were written by Groberg while he was serving a Swedish mission for the Church of Jesus Christ of Latter-day Saints (LDS).

The Isaac Chauncey Haight papers (1842-1871) contain typescripts of Haights diaries and correspondence. Isaac Chauncey Haight (1813-1886) was an early convert to the Mormon Church. He traveled with the Mormons to Utah and served as the President of the "Iron Mission."

The Aroet Lucius Hale diary (1835-1856) discusses his life from the time he was baptized into the LDS Church until his mission to Las Vegas, Nevada. Aroet Lucius Hale (b. 1828) and his younger siblings followed Brigham Young to the Salt Lake Valley during the 1840s.

The Judith D. Hallet papers (1926-2017) contain correspondence, scripts, interviews, awards, and articles. Judith D. Hallet is a Utah documentarian whose work includes ,American Buffalo: Battling Back, Battle for the Great Plains, and The Life and Legend of Jane Goodall.

The Francis Asbury Hammond diaries [transcripts] (1852-1865) refelct his experiences during his years as a missionary for the Church of Jesus Christ of Latter-day Saints in the Hawaiian Islands. The diaries touch on the day-to-day experiences of a missionary of the time. Hammond went on to be president of the San Juan Stake of the LDS Church from 1884 to 1900.

The Hans Martin Hansen papers (1889-1891) consist of transcripts and photocopies of his mission journal. Hans Martin Hansen (1856-1939) served his mission for the Church of Jesus Christ of Latter-day Saints in his homeland Norway from 1889 to 1891. He was called when he was thirty-two years old. He was married and had four children at that time. Recorded in his journal are his daily activites, people he met, and news of the day.

The John Hardie diary (1867-1868) was kept during his mission for the Church of Jesus Christ of Latter-day Saints to the British Isles. John Hardie (1840-1907) was a convert to the Church of Jesus Christ of Latter-day Saints and immigrated from Scotland as a young man. He participated in the Utah War, worked for the Pony Express, as a coal miner, and engaged in other occupations. He served a mission for his church in the British Isles. The diary covers the time span of his mission.

The B. Carmon Hardy papers consist of his writings and research materials regarding American history and Mormon polygamy. Hardy was a professor of history at California State University, Fullerton.

The Rosezella Dalton Hardy papers [photocopies] consists of diaries which Hardy kept throughout her life, along with notebooks, news clippings, and miscellaneous documents. Rosezella Dalton Hardy was born in Roy, Utah, attended the Smithsonian Business College in Ogden, and served a mission to the Eastern States for the LDS Church from 1919 to 1923.

The Trent Harris papers (1960s-2020) contain his original screenplays, research, correspondence, and ephemera. There are also screenplays by other writers. Trent Harris is a Utah documentarian and independant film maker, whose projects include the famous Beaver Trilogy, Rubin and Ed, and the cult classic Plan 10 from Outer Space.