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20 records were found.

	Roberts, J.W. (1917). Apple blotch and its control. Bull. US Department of Agriculture Washington 534: 11 pp. 3 figs, 2 tabs.
	Roberts, J.W. (1918). The sources of apple bitter-rot infections. Bull. US Department of Agriculture 684: 25 pp., 5 pls.
	Roberts, J.W. (1914). Experiments with apple leaf-spot fungi. Journal of Agricultural Research 2: 57-65, 1 tab.
	Roberts, J.W. (1915). Sources of the early infections of apple bitter-rot. Journal of Agricultural Research 4: 59-64, tab. VII.
	Roberts, J.W. (1921). Plum blotch, a disease of the Japanese plum (caused by Phyllosticta congesta Heald and Wolf. Journal of Agricultural Research 22: 365-371, tab. 34.
	Roberts, J.W. (1923). A budrot of the peach caused by a species of Fusarium. Journal of Agricultural Research 26: 507-511, 1 tab., 1 fig.
	Roberts, J.W. (1924). Morphological characters of Alternaria mali Roberts. Journal of Agricultural Research 27: 699-708, 1 fig., 2 tabs.
	Roberts, J.W. (1921). Clitocybe sudorifica as a poisonous mushroom. Mycologia 13 (1): 42-44.
	Roberts, J.W. (1914). The sources of apple bitter rot infection and control. Ozark Fruit and Farms 5 (2): 3.
	Roberts, J.W. (1912). A new fungus on the apple. Phytopathology 2 (6): 263-264.
	Roberts, J.W. (1920). The apple blotch and bitter-rot canker. Phytopathology 10: 353-357.
	Roberts, J.W. (1921). The age of brown-rot mummies and the production of apothecia. Phytopathology 11: 176.
	Roberts, J.W. (1923). A method of isolating selected single spores. Phytopathology 13: 558-560.
	Roberts, J.W. (1927). “Target canker” of apple and pears. Phytopathology 17: 735-738, 1 tab.
	Roberts, J.W. (1913). The “rough bark” disease of the yellow Newton apple. US Dept. Agric. Plant Ind. Bull. 280: 5-16, 3 tabs, 2 figs.
	Roberts, J.W.; Dunegan, J.C. (1924). The fungus causing the common brown rot of fruits in America. Journal of Agricultural Research 28: 955-960.
	Roberts, J.W.; Dunegan, J.C. (1927). Critical remarks on certain species of Sclerotinia and Monilia associated with diseases of fruits. Mycologia 19 (4): 195-205.
	Roberts, J.W.; Dunegan, J.C. (1926). Blossom blight of the peach. Phytopathology 16: 217-222.
	Roberts, J.W.; Pierce, L. (1918). Apple bitter rot and its control. Farmers’ Bull. U.S. Dep. Agr. 938: 14 pp., 3 figs.
	Snapp, O.J.; Turner, W.F.; Roberts, J.W. (1922). Controlling the curculigo, brownrot, and scab in the peach belt of Georgia. US Dept. Agric. Circ. 216: 3-30, 17 figs.