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61.
Boll-weevil cotton in Texas / by O.F. Cook. by Series: Department bulletin (United States. Department of Agriculture) ; no. 1153.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. Dept. of Agriculture, 1923
Availability: No items available.

62.
A study of decay in Douglas fir in the Pacific northwest. By J.S. Boyce. by Series: U.S. Dept. of agriculture ; Department bulletin no. 1163
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1923
Availability: No items available.

63.
The rusts and smuts of wheat, barley, and oats, by H.R. Briton-Jones ... by Series: Egypt. Bulletin ; no. 15.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Cairo, Government Press, 1920
Availability: No items available.

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A preliminary check list of plant diseases occuring in South Africa. Compiled by E.M. Doidge ... by Series: [South Africa. Dept. of Agriculture] Botanical Survey. Memoir ; no. 6
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Pretoria, Government Printing and Stationery Office, 1924
Availability: No items available.

67.
Damage to range grasses by the Zuni prairie dog / by Walter P. Taylor and J.V.G. Loftfield. by Series: Department bulletin (United States. Department of Agriculture) ; no. 1227.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. Dept. of Agriculture, 1924
Availability: No items available.

68.
69.
Die durch Schwärzepilze (Phaeodictyae) erzeugten pflanzenkrankheiten ... Door Pierrette Cornelie Bolle ... by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Amsterdam, N. v. Lithotyp, 1924
Dissertation note: Proefschrift--Utrecht.
Availability: No items available.

70.
Taschenatlas der Krankheiten der zuckerrübe, von prof. dr. Otto Appel ... im auftrage des direktoriums des Vereins deutschen zuckerindustrie .... by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Berlin, P. Parey, 1926
Availability: No items available.

71.
Investigation on the Bunchy Top disease of the banana, by C. J. P. Magee. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Melbourne, H.J. Green, government printer, 1927
Availability: No items available.

72.
Forstinsektenkunde, von Otto Nüsslin. by
Edition: 4., neubearb und verm. Aufl., hrsg. von L. Rhumbler.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Berlin, P. Parey, 1927
Availability: No items available.

73.
74.
Les animaux infectieux, par Paul Vuillemin. by Series: Encyclopédie biologique ; 4
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Paris, P. Lechevalier, 1929
Availability: No items available.

75.
The culture of the orange and allied fruits / by H. Clark Powell. by Series: South African agricultural series ; no. 8
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Johannesburg : Central News Agency, 1930
Availability: No items available.

76.
The influence of diet on caries in children's teeth <Interim report> By the Committee upon dental disease. by Series: Special report series (Medical Research Council (Great Britain)) ; no. 159.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: London, H.M. Stationery off., 1931
Availability: No items available.

77.
A revised list of plant diseases occurring in South Africa. Compiled by E.M. Doidge ... and A.M. Bottomley ... by Series: South Africa. [Dept. of Agriculture] Botanical survey. Memoir ; no. 11
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Pretoria, The Government Printer, 1931
Availability: No items available.

78.
Animal diseases in South Africa, by M. W. Henning ... by Series: South African agricultural series ; no. 11-12
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Johannesburg] Central news agency, limited, 1932
Availability: No items available.

79.
Observations on forest pathology as a part of forestry in Europe, by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ann Arbor, University of Michigan press, 1933
Availability: No items available.

80.
Nigrospora musae n. sp. and its connexion with "squirter" disease in bananas. By Ethel I. McLennan and Shirley Hoëtte. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Melbourne, H.J. Green, government printer, 1933
Availability: No items available.

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