This oral history interview with John C. Beatty was conducted by two unidentified Riverdale High School students as part of series of interviews with Riverdale High School alumni in March 1999. In this interview, Beatty discusses his family background and early life and education at Riverdale High School in the Dunthorpe neighborhood of Portland, Oregon, in the 1920s and 1930s. He also briefly discusses his memories of the Depression and World War II, as well as the changes in the Dunthorpe neighborhood over the 20th century. He closes the interview by talking about his legal career and his experience being drafted during World War II.

This oral history interview with Margret D. Thomas was conducted by an unidentified Riverdale High School student as part of the Riverdale School Oral History Series in March 1999. In this interview, Thomas discusses her family. She talks about coming to Portland, Oregon, in 1954, after her marriage to James "Jack" Randolph Thomas in 1942. She discusses Jack Thomas' career as a member of the Riverdale School Board, including the dances he helped to organize for parents. She also talks about life in the Dunthorpe neighborhood of Portland, including her memories of the 1962 Columbus Day storm. Thomas recounts her memories of World War II and the Depression. She then discusses her high school education in Los Angeles County, California, and her involvement with Riverdale School in Portland.