Tape 6. In the fourth and final interview session, conducted on April 28, 1982, Peterson discusses Portland zoning laws in the 1930s and 1940s and describes how the city treated unhoused people during the Depression. He talks about the work of Portland’s post-war redevelopment committee and about the plan presented to the city by Robert Moses, an urban planner from New York. He speaks about people with whom he served on the city council, particularly Dorothy McCullough Lee, and discusses the relationship between the council and the Portland Police Bureau. He closes the interview by speaking further about his term as Portland mayor.