Albert Raddin Sweetser (1861-1940) was professor of botany at the University of Oregon, 1902-1931, and he established the UO Herbarium. His wife, Carrie K. Sweetser (1863-1952) was a watercolorist, a life-long diarist, and her botanist husband's devoted travel companion. The collection contains Albert Sweetser correspondence and notes, photographs and negatives of botanical subjects and travel in Japan and S. Korea in the early 1900s, and Albert and Carrie Sweetser travel and teaching scrapbooks, photo albums, journals, and personal material.
Frederick Wallace Wilson (1872-1955) was an attorney and Circuit Court Judge in The Dalles, Oregon. The papers include correspondence, a letterpress copybook, legal papers, a manuscript, photographs, addresses and publications by Wilson as well as personal correspondence of Joseph G. Wilson, and certificates of Elizabeth Millar Wilson.