Papers of John M. Shively (1804-1893), an emigrant to Oregon and first postmaster of Astoria. Papers include correspondence, legal documents related to land sales, an 1853 diary, historical essays and other writings, genealogical materials, information on the U.S-British controversy over the Oregon Territory, and papers of Shively's son, Charles W. Shively.

Papers include correspondence, newsletters, research and miscellaneous materials primarily regarding environmental conservation, especially of the Columbia River Gorge, 1971-1983.

Jessie May Short (1873-1947) was an assistant professor of mathematics at Reed College from 1920 to 1939. She also taught at Vanport College, served on the Portland School Board, and during the war years, worked with the Kaiser shipyards as an engineer. Collection includes correspondence, reports, articles, and miscellaneous documents regarding housing issues, primarily in Portland, Oregon, circa 1920-1942.

Robert Valentine Short (1823-1908) was a pioneer of 1847. He was a member of the 1851 Constitutional Convention and in 1888 was elected to the Oregon Legislature from Clackamas County. He also studied surveying and was responsible for surveying the town of Portland in 1850. Collection includes diaries, correspondence, scrapbook, survey and field notes; and papers relating to donation land claims and property in Yamhill, Clackamas, and Multnomah counties.

Papers of Robert Shortess (1797-1878), an early emigrant to Oregon. Papers consist of correspondence, reports, and certificates relating to Shortess's work as an Indian sub-agent, his guardianship of Grace Tibbets and John Tibbets, and his work as a school district clerk; financial and property records; family correspondence; and a photostatic reproduction of the marriage certificate of Shortess's daughter, Susan Shortess (later Susan Walkley).

Collection includes diaries, 1893-1954, and miscellaneous letters, ephemera, and clippings. Lebbus Smith Shumaker (1871-1954) was a Baptist minister and teacher in New York, the Midwest and at Linfield College in McMinnville, Oregon, where he was a professor of psychology and philosophy.

Jesse G. Sill was born in 1881 in Illinois and died in 1981 in Portland, Oregon. He was a pioneer newsreel photographer and the first to take aerial photographs of Mt. Hood. Collection includes correspondence, 1911-1919; script synopses and lists of films, 1915-1948; a travel diary, 1915-1916; and a movie poster for the film "Lone Trapper," circa 1911-1948.

Materials relating to U.S. Senators for Oregon Richard L. Neuberger (1912-1960) and Maurine B. Neuberger (1906-2000) collected by Mary Jane Sills (née Christgau, 1922-2010), including correspondence from Maurine Neuberger, ephemera, a list of former staffers, and photographs. Sills worked as an aide to both senators from 1954 to 1967.

Three portrait photographs of Effie Simmons (1874-1961), and a letter to Simmons from Myrtle A. Johnson (1875-1935). Simmons was a member of the Portland Woman's Club, a regional director for the League of Women Voters, and the first woman to represent Multnomah County in the Oregon Legislature.

David B. Simpson Jr. (1898-1976) was a Portland civic leader and real estate agent. He served as a captain in World War I and was active in post-war development. Collection includes naturalization papers for David B. Simpson, 1890 and 1894; obituaries for David B. Simpson, Jr., 1976; correspondence, 1950-1983; award certificate from President Gerald Ford, 1950; and biographical information about Sir James Young Simpson.