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The Observer's Book Of British BirdsS. Vere Benson
Frederick Warne and Co
1937
Describes 226 species with 100 colour illustrations and 100 black and white illustrations.
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The Observer's Book Of British BirdsS. Vere Benson
Frederick Warne and Co
1938
Describes 226 species with 100 colour illustrations and 100 black and white illustrations.
The song thrush cover was used, with minor variations, between 1938 and 1945.
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The Observer's Book Of British BirdsS. Vere Benson
Frederick Warne and Co
1946
Describes 226 species with 200 colour and black and white illustrations. The number of species was increased in 236 in 1952.
The firecrest cover was used, with minor variations, between 1946 and, probably, 1955.
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The Observer's Book Of British BirdsS. Vere Benson
Frederick Warne and Co
1956
Describes 236 species with 200 colour and black and white illustrations.
The fieldfare cover was used, with minor variations, between 1956 and 1965/66.
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The Observer's Book Of British BirdsS. Vere Benson
Frederick Warne and Co
1966
The robin cover was used, with minor variations, between 1966 and 1970/71.
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The Observer's Book Of British BirdsS. Vere Benson
Frederick Warne and Co
1971
The great tit/blue tit cover was used, with minor variations, between 1971 and about 1982.
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