Oloufa, M. M. (Mohamed Mohamed); Bogart, Ralph, 1908-; McKenzie, Fred F. (Frederick Francis), 1900-(Corvallis : Agricultural Experiment Station, Oregon State College, 1951-10)
Wu, Szu-Hsiao (Szu-Hsiao Arthur), 1919-; Elliker, P. R. (Paul Reuben), 1911-; McKenzie, Fred F. (Frederick Francis), 1900-(Corvallis : Agricultural Experiment Station, Oregon State College, 1952-07)
