Melvin Clark George (1849-1933) was an Oregon pioneer, lawyer, state senator and U.S. Representative. The collection contains addresses (speeches), essays and letters to newspapers, manuscripts, legal documents, newspapers, artwork and scrapbooks.

Joseph Nathan Teal (1858-1929) was an Oregon rancher, lawyer, investor, and civic leader who was an advocate of waterways development and served as U.S. Shipping Commissioner from 1920-1921. The collection (1894-1917) contains fourteen volumes of scrapbooks regarding Oregon politics, Portland water, transportation in Oregon, taxes, the railroad, Celilo canal, and navigation of the Columbia River

Oswald West (1873-1960) was an attorney in Portland, Oregon, and served as governor of Oregon from 1911 until 1915. The collection (1910-1940) contains correspondence, campaign broadsides from 1910, a scrapbook of newspaper clippings by and about West, and photographs.