"Mechanical Harvesting of Flue-Cured Tobacco Part 10 : Optimization of Curing Capacity and Bulk Barn Parameters" drafts and notes, 1978-1979

"Mechanical Harvesting of Flue-Cured Tobacco Part 10 : Optimization of Curing Capacity and Bulk Barn Parameters" drafts and notes, 1979-1980

"Mechanical Harvesting of Flue-Cured Tobacco Part 10 : Optimization of Curing Capacity and Bulk Barn Parameters" research materials, 1977-1978

Patent information for Round Tobacco Barn
February 28, 1899 to January 12, 1954

The Hofft Company memorandums of understanding, 1951-1952
March 14, 1951 to November 18, 1952

Writings on tobacco barns and tobacco curing, 1946