Edward Harrison Snyder (1889-1967) was a member of the Snyder family who promoted mines in Utah, Idaho, and Nevada and were pioneers in various areas of metallurgy. In addition to participating in the family business of W.F. Snyder and Sons, E.H. Snyder was president of the Combined Metals Reduction Company in Salt Lake City, Utah. This collection contains images of the Snyder family and of Snyder's career in mining, particularly in the area of Pioche, Nevada.

SOCOTWA (South Cottonwood Ward) is a Utah non-profit organization specializing in river rafting. The SOCOTWA (South Cottonwood Ward) photograph collection contains images documenting the group's river running expeditions in the 1950s.

The Southern States Communication Association (SSCA) is a professional organization for the study and teaching of communication. This collection contains images from SSCA publications and pictures taken at SSCA conferences between 1990 and 2007.

The Southwest and southern California photograph album documents an unidentified family's vacations and trips in 1957 and 1958 through southern California and the American southwest.

The Sowards-Tibbals Family photograph collection mainly conisist of photos of family, gatherings, and vacations.

The Spanish-American War Parade photograph collection consists of black-and-white photograph prints of a August 1899 parade held in Salt Lake City, Utah honoring veterans of the Spanish-American War.

Hillary St. Clair was a graduate of the University of Utah and metallurgist for the U.S. Bureau of Mines from 1935-1972 who authored many publications about American mining. This collection contains photographs, slides, negatives, and data mainly related to St. Clair's research and writing on minerals and mines.

The letter (1955), written by Mr. Dobson to John Stallings, describes in detail his search for uranium and registering claims. Accompaning the letter are five photographs with notations.

The Robert C. Steensma photograph collection contains photos, political cartoons, and post cards donated by Robert C. Steenma. Robert C. Steensma was a former Naval Reserve for the Naval Seabee Twelfth division in Ogden, Utah.

Page Stegner was an author and historian of the American West. The Page Stegner photograph collection contains images of the Stegner houses in Eastend, Saskatchewan, Vermont, and Idaho, as well as images of the North-West Mounted Police in the early twentieth century.

Justin Call Stewart (1912-1992) was a Utah politician and lawyer. The Justin Call Stewart photograph collection contains photographs, negatives, and postcards of Stewart's life, including family, friends, military service, and travels.

Kilton Riggs Stewart (1902-1965) was an anthropologist and psychologist who specialized in dreams. This collection consists of 1 box containing 17 black-and-white photographs, negatives, and copy prints depicting Stewart's life, travels, and family from approximately 1904-1970.

Walter M. Stookey (1869-1951) was a Utah medical doctor and historian who specialized in the Donner-Reed party. Stookey was a member of the Utah Trails and Landmarks Association and was involved in locating and marking trails and routes across the state. This colleciton contains photographs documenting Stookey's interest in the Donner Party and involvement in marking and memorializing the history of westward expansion in the United States.

The Marvin H. Strong photograph collection contains photographs of bands and musicians. Marvin H. Strong was a Utah musician and teacher.

Sugar House is a residential and commercial neighborhood in Salt Lake City, Utah. The Sugarhouse area of Salt Lake City photograph collection contains 3 black-and-white photographs of Sugar House buildings and an outdoor event dating from approximately 1900-1928.

The John F. Sytsma photograph collection contains materials related to the railroad in the United States; Sytsma is an authority on railroads and trains, specifically in the northeastern United States. He was a member of the Civilian Defense Auxiliary Group (Railroads) for the New York Susquehanna and Western Railroad.

Annie Clark Tanner (1864-1941) was an author known for her autobiography A Mormon Mother, which chronicles her experiences as a plural wife and member of the Church of Jesus Christ of Latter-Day Saints. The Annie Clark Tanner photograph collection contains two black-and-white photographs of Tanner dating from approximately the 1900s.

The Mary Jane Mount Tanner photograph collection contains images of Mary Jane Mount Tanner and her parents, husband, and children dating from approximately 1850 to 1890.

Orland Lavell "Brig" Tapp (1909-1964) was an award winning independent filmmaker from Utah. This collection contains digital only scans from scrapbooks documenting Tapp's career and 8 loose black-and-white prints.

Dave Masaharu Tatsuno (1913-2006) was a Japanese American businessman and amateur filmmaker who secretly filmed his family's experience of detention in the Topaz Relocation Camp. This collection contains Tatsuno family photographs spanning 1902 to 2004, including images of them skiing, during their imprisonment in Topaz, and of the Olympic Torch Run.