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The pink boll worm (Gelechia gossypiella, Saunders) in Egypt in 1916-1917 / by H.A. Ballou.
- Government Press,
- 1920.
- Cairo :
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Cotton research board : preliminary report, 1920 / [by A.T. McKillop].
- 861.6
- Ministry of agriculture. Cotton research board,
- 1920.
- Cairo :
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Report on the maintenance and improvement of the quality of Egyptian cotton and the increase of its yield / by H. Martin Leake.
- 861.6
- Ministry of agriculture,
- 1920.
- Cairo :