Helen E. Roy

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Ladybirds (Naturalists' Handbooks) (Vol)
Roy, Helen E.; Brown, Peter M. J.; Comont, Richard F.; Poland, Remy L.; Sloggett, John J.

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US$ 24.77

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Guide to Ladybirds of the British Isles

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US$ 4.75

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Guide to the Ladybird Larvae of the British Isles

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US$ 8.85

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Ladybirds (Coccinellidae) of Britain and Ireland
Roy, Helen

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US$ 16.58

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Field Guide to the Ladybirds of Great Britain and Ireland
Roy, Helen; Brown, Peter

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US$ 35.89

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Field Guide to Invasive Plants and Animals in Britain (Helm Field Guides)
Booy, Olaf; Wade, Max; Roy, Helen

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US$ 71.76

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