Brereton, T.M., Roy, D.B. & Greatorex-Davies, N. (2006) Thirty years and counting: the contribution to conservation and ecology of butterfly-monitoring in the UK. British Wildlife, 17, 162-170.
Ecology and Environment
Brown, P.M.J., Comont, R.F., Poland, R. & Roy, H.E. (2012) Wildlife reports: ladybirds. British Wildlife, 23, 208-210.
Brown, P.M.J., Roy, H.E. & Comont, R.F. (2013) Wildlife reports: ladybirds. British Wildlife, 24, 208-209.
Hill, M.O., Arnold, H.R., Broad, G.R., Brown, P.M.J., James, T.J., McLean, I.F.G., Preston, C.D., Rowland, F. & Roy, D.B. (2006) Biological Records Centre Annual Report 2005-2006. Joint Nature Conservation Committee, Peterborough.
Hill, M.O., Arnold, H.R., Broad, G.R., Burton, V., James, T.J., McLean, I.F.G., Preston, C.D., Rowland, F. & Roy, D.B. (2005) Biological Records Centre: Report 1999-2004. JNCC.
Hill, M.O., Beckmann, B., Bishop, J.D.D., Fletcher, M.R., Lear, D.B., Marchant, J.H., Maskell, L.C., Noble, D.G., Rehfisch, M.M., Roy, H.E., Roy, S. & Sewell, J. (2009) Developing An Indicator Of The Abundance, Extent And Impact Of Invasive Non-Native Species. Final Report. Defra.
Hill, M.O., Bacon, J., Beckmann, B., Bishop, J.D.D., Marchant, J.H., Musgrove, A.J., Rathod, B., Roy, H.E. & Sewell, J. (2010) Gb Non-Native Species Information Portal: Interim Report For The Period February 2009 To March 2010. Defra.
Comont, R.F., McCracken, M.E., Hesketh, H., Hails, R.S. & Roy, H.E. (2009) Bivoltine Blues: A second generation in the British Chalkhill Blue Polyommatus coridon (Lepidoptera: Lycaenidae). British Journal of Entomology and Natural History, 22.
Braithwaite, M.E., Ellis, R.W. & Preston, C.D. (2006) Change In The British Flora 1987-2004. Botanical Society of the British Isles, London.
Bosanquet, S.D.S., Coote, L., Kelly, D.L., Long, D.G. & Preston, C.D. (2010) Daltonia splachnoides in Irish conifer plantations - another epiphyte on the move. Field Bryology, 100, 16-21.