Tape 16, Side 1, to partway through Tape 17, Side 1. In the ninth interview session, conducted on October 23, 2007, Peterson discusses the procedures of the Multnomah County Circuit Court and the Oregon Court of Appeals, and talks about judges who served on those courts. He also shows the interviewer, Jeffrey Dobbins, his collection of photographs and speaks about them at length.

Partway through Tape 17, Side 1, through Tape 18, Side 2. In the tenth interview session, conducted on October 30, 2007, Peterson continues to discuss his photograph collection. He then speaks about his service as a justice on the Oregon Supreme Court from 1979 to 1993. He describes his fellow justices on the court. He discusses the procedures of the Supreme Court, cases he heard, and his re-election in 1980.