"Effect of Rubber Resilience on the Operation of the Spiral Rubber Wiper Defoliator" drafts and research notes, 1966-1968

"Effects of Bruising on Tobacco Curability" data and photos, 1957

"Farm Mechanization in North Carolina"

"Mechanization in Relation to the Organization of Farms (Northern Coastal Plains Area)," 1944

"Some Common Mowing Machine Troubles and Their Remedies," 1927

"Sweep Rakes"

"Tedder type" peanut shaker :: Subject Files