Oral history interview with Ron E. Henderson conducted by Curtis Johnson on October 27, 1980, as part of the Drive-in Restaurants of Portland Oral History Project. Henderson was a frequent patron of drive-in restaurants in Portland, Oregon, in the late 1960s.

Oral history interview with Bill J. Jwayad conducted by Curtis Johnson on November 8, 1980, as part of the Drive-in Restaurants of Portland Oral History Project. Jwayad was a frequent patron of drive-in restaurants in Portland, Oregon, during the 1950s.

Oral history interview with Donald P. Krueger conducted by Curtis Johnson on November 13, 1980, as part of the Drive-in Restaurants of Portland Oral History Project. Krueger was a frequent patron of drive-in restaurants in Portland, Oregon, in the mid-1950s.