Research and Publications
Lepidoptera Heterocera, Moths, Provisional Distribution Maps. Biological Records Centre, Huntingdon.
(1980) The Moths And Butterflies Of Great Britain And Ireland: Vol. 10, Noctuidae (Part 2) And Agaristidae. Harley Books, Colchester.
(1983) The Moths And Butterflies Of Great Britain And Ireland: Vol. 9, Sphingidae To Noctuidae (Part I). Harley Books, Colchester.
(1983) Atlas Of Butterflies In Britain And Ireland. Viking, Harmondsworth.
(1984) Provisional Atlas Of The Nematodes Of The British Isles. Biological Records Centre, Monks Wood.
(1988) (1989)
The Moths And Butterflies Of Great Britain And Ireland: Vol. 7 (Part 2), Lasiocampidae To Thyatiridae. Harley Books, Colchester.
(1989)