Oral history interview with Lee Johnson conducted by Clark Hansen from April 20 to September 29, 1992, as part of the United States District Court Oral History Project. Johnson was an Oregon state representative, Oregon attorney general, and a Multnomah County Circuit Court judge.

Oral history interview with Betty Roberts conducted by Katherine Huff O'Neil from October 24, 2005, to February 27, 2007, as part of the Women Trailblazers series of the United States District Court Oral History Project. Roberts was an Oregon state representative, a state senator, a judge on the Oregon Court of Appeals, and a state Supreme Court justice.

Oral history interview with Robert Y. Thornton conducted by Jim Strassmaier from May 21 to September 10, 1991, as part of the Oregon Legislature Oral History Series. Thornton was an Oregon state representative and state attorney general.