VOOUS KH (1960) Literature: R.K. Cornwallis & A.E. Smith. 1960. The Bird in the Hand. LIMOSA 33 (3): 209-209.
R. K. CORNWALLIS & A. E. SMITH: The Bird in the Hand. - Field Guide, British Trust for Ornithology. 6. 1960. 69 pp.
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