Essays and essay outlines written by W. Claude Adams (1873-1961) for an English class, possibly at the University of Oregon. Essay topics are the formation of the Oregon Provisional Government; the lives of U.S. President Abraham Lincoln and British monarch Queen Victoria; and manufacturing industries in Clackamas County, Oregon. W. Claude Adams would later become a dentist in Portland, Oregon.

Collection includes research notes and correspondence regarding Harry C. Blair's work on a biography of Colonel Edward Baker, which he co-authored with Rebecca Tarshis, and on Dr. Anson G. Henry.

Collection includes correspondence regarding Oregon history; letters and literature regarding old age and Arthur L. Crookham's participation with the State Council on Aging; material regarding I-205 and East Portland, political issues, and personal matters, school notebooks, and Progressive Party literature.

Oral history interview with Cecil L. Edwards conducted by Charles Digregorio on January 31, 1978. Edwards was chief clerk of the Oregon House of Representatives, secretary of the state Senate, and legislative historian.

Oral history interview with Cecil L. Edwards conducted by Irvin Luiten from May 18 to 26, 1988, as part of the Oregon Legislature Oral History Series. Edwards served as chief clerk of the Oregon House of Representatives, secretary of the Senate, and legislative historian.

Historical publications and posters collected by writer and researcher Thomas A. Emmens (1942-2005), including posters for Oregon Pioneer Association events, an issue of the Congressional Record including a speech about the Oregon Trail, an 1846 memorial to the U.S. Congress, and two issues of the Oregon Semi-Monthly Argus.

Collection includes research notes and typed drafts of articles planned as entries in Howard McKinley Corning's "Dictionary of Oregon History."

Radio interview with Rick Harmon conducted by Bob Griggs on February 14, 1989. Harmon discusses his work as editor of Oregon Historical Quarterly.

Collection consists of materials by or belonging to John B. Horner that concern Oregon-related historical topics. These include diagrams and documents concerning the Kalapuya mounds; the text of an address Horner delivered to the Oregon Pioneer Association; and a letter from Gertrude Balch Ingalls with a biographical sketch of her brother, Frederic Homer Balch. Horner (1856-1933) taught English and history at Oregon Agricultural College (now Oregon State University).

Oral history interview with John R. Leach conducted by Jean S. Whitford from February 22-23, 1968. Leach was a Portland pharmacist who founded the Leach Botanical Garden with his spouse, Lilla Leach. He recounts stories from his autobiography and discusses his family history, folk medicine, his early life in Eastern Oregon, and his adventures with Lilla Leach.