Percy Dwight Bentley (1885-1968) was an architect from the Midwest who practiced in Lane County, Oregon from 1939-1961. His early work shows the influence of Frank Lloyd Wright and Louis Sullivan. The collection documents his work from 1951-1962 and includes churches, residences, and commercial structures.
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.