“…Many reports of respiratory difficulty in workers handling grain have followed the first by Ramazzini (1713)- (Thackrah, 1832;Duke, 1935;Smith, Greenburg, and Siegel, 1941;Dunner, Hermon, and Bagnall, 1946;Jimenes-Diaz, Lahoz, and Canto, 1947;Cohen and Osgood, 1953;Ruttner and Stofer, 1954;Ordman, 1958;Skoulas, Williams, and Merriman, 1964;Williams, Skoulas, and Merriman, 1964;KovAts and Bugyi, 1968;Tse et al, 1973;Warren, Cherniack, and Tse, 1974). Respiratory disease caused by dust during cereal harvesting has attracted less interest, apart from allergy to spores of plant pathogenic rust and smut fungi (Cadman, 1924;Harris, 1939;Jimenez-Diaz et al, 1947) and some saprophytes on the straw (Harris, 1939).…”