The Zilla Linford Richards papers (1914-2000) contain correspondence, diaries, day planners, financial records, drawings, and newspapers. Both personal and business finances are included, although most financial documents are in relationship to Lark Instruments, the business belonging to Lorenzo A. Richards (Zilla's husband).

The Robert O. and Bette Richins papers (1984-2004) contain a petigree of the Richins/Hunter family, notes, copied correspondence, announcements, and news clipping regarding the LDS Church.

The Raye Carleson Ringholz papers (1964-1995) contain Ringholz's office papers. Included in the files are correspondence, research projects, manuscripts, newspaper clippings and miscellaneous materials. Ringholz is a noted woman writer from Utah.

The Floyd E. Risvold paperss (1960-1970) consist mainly of letters between Risvold and Dale Morgan. The letters contain information dealing with many aspects of Western history. Floyd E. Risvold was a manuscript collector, dealer, and historian from Minnesota.

The Bruce Roberts papers (1966-2004) contains documents and advertisements relating to Roberts' work as a journalist, co-founder of the Cosmic Aeroplane Bookstore, concert promoter and activist. The collection also includes underground newspapers collected during the 1960s and 1970s.

The C. A. Robertson papers (1922-1932) consist of a bound volume of letters from Robertson to his daughter, Allien; one genealogy sheet; an obituary; and a picture. C. A. Robertson (1879-1932) was a Utah attorney, businessman, and politician.

The Darrell D. Robison papers (1947-2002) contain correspondence, a photocopied scrapbook, news articles, race results and ski publications following his skiing career.

The Evelyn Chase Robison papers (1892-1995) contain correspondence between Evelyn Chase Robison and her husband, Dr. Benjamin Franklin Robison, when he was at naval bases in both Farragut, Idaho and Mare Island, Calif. Also included are letters from Dr. Robison's mother and other family and friends, as well as death certificates of Dr. B.F. Robison, and her stepmother, Christina Stevenson Springmeyer, and other types of documents.

The R. Thayne Robson papers (1972-2000) contain correspondence, strategic plans for Utah tourism development and Central Business District, Redevelopment Agency of Salt Lake City building renovation loan program, and Utah's Growth Summit update. Robson worked as Acting Director of the Utah Bureau of Business and Economic Research (BEBR).

The Rocketeers Square Dance Club records (1991-2016) consists of board meeting minutes, newsletters, calendars, announcements and other materials related to the activities of this dance club. Rocketeers is an adult couples square dance club with dances held each Saturday night at Columbus Center in Salt Lake City, Utah.

The Lewis M. Rogers papers (1940s-1990s) consist of the office and teaching files of Rogers, a University of Utah philosophy professor. Included are articles, essays, class materials, correspondence, and other papers.

The Miles Pratt Romney papers (1881-1984) consist of diaries, newspaper clippings, certificates, typescripts of autobiographies and biographies, day books, note cards, correspondence, a published book and oral histories pertaining to the family of Miles Pratt Romney.

The William J. Roosen skiing collection (1969-1991) includes bibliographies, examinations, reports, and correspondence stemming from Roosen's teaching of a ski history class; pamphlets and clippings on ski resorts; articles and books on various aspects of skiing; copies of the "Alta Powder News" (1967-1991). Roosen was a professor of history at Northern Arizona University where he taught a class in ski history.

The Joseph B. Rosembaum papers (1940-1988) consist of papers, correspondence, talks and speeches, notes, books, articles, and reprints dealing with metallurgy and the U.S. Bureau of Mines.

The Rowland Hall-St. Mark's School records (1921-2004) contain administrative files, correspondence, school publications, directories and Alumni documentation.

The Ernest H. Runyon papers (1884-1999) contain journals, correspondence, articles, publications, charts, notebooks, notes, research materials, conference materials, pamphlets, programs, and news clippings, mostly relating to Runyon's research on mycobacteria and tuberculosis. Runyon was a research microbiologist, specializing in tuberculosis related bacteria.