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	1.	The physiological and genetical aspects of sterility in domesticated animals / by William Orr and F. Fraser Darling ... With a bibliography by Miss M.V. Cytovich. by Orr, William, 1905- Darling, F. Fraser (Frank Fraser), 1903- [joint author.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Edinburgh : Oliver and Boyd, 1932 Availability: No items available. Add to cart (remove)
	2.	Animal breeding in the British empire; a survey of research and experiment, by Fraser Darling ... by Darling, F. Fraser (Frank Fraser), 1903- Conmmonwealth Bureau of Animal Breeding and Genetics, Edinburgh Material type: Text; Format: print ; Literary form: Not fiction Publication details: Edinburgh [etc.] Oliver and Boyd, 1934 Availability: No items available. Add to cart (remove)

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