01474cam a22003251a 4500 agr66000173 DLC 20260227111024.0 730913s1966 dcu bi f000 0 eng c agr66000173 (OCoLC)688748 U.S. Nat'l Agr. Libr. OClW-H OCoLC DNAL DLC premarc n------ SB736 .T5 1 Ag84Ah no.307 F833 Thornberry, Halbert Houston, 1902- Index of plant virus diseases : plant pests of importance to North American agriculture / [by H.H. Thornberry]. Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1966. vi, 446 p. ; 26 cm. Agriculture handbook / United States Department of Agriculture ; no. 307 Complements U.S. Agricultural Research Service. Crops Research Division. Index of plant diseases in the United States, issued as Agriculture handbook no. 165. Bibliography: p. vi. Virus diseases of plants North America Indexes. Plant viruses North America Indexes. United States. Agricultural Research Service. Crops Research Division. Index of plant diseases in the United States. Plant pests of importance to North American agriculture. Agriculture handbook (United States. Department of Agriculture) ; no. 307. 12077 12077