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	1.	A survey of insecticide materials of vegetable origin, edited by H. J. Holman. Issued under the auspices of the Consultative Committee on Insecticide Materials of Vegetable Origin. by Imperial Institute (Great Britain). Plant and Animal Products Department Holman, Henry John Material type: Text; Format: print ; Literary form: Not fiction Publication details: London, 1940 Availability: No items available. Add to cart (remove)
	2.	Coal, by J. H. Ronaldson, with 12 maps and 2 diagrams. by Ronaldson, James Henry Imperial Institute (Great Britain) Series: Great Britain. Imperial institute. Mineral resources committee. Monograph on mineral resources, with special reference to the British Empire Material type: Text; Format: print ; Literary form: Not fiction Publication details: London, John Murray, 1920 Availability: No items available. Add to cart (remove)

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