Asher, J. (1995) Butterfly Net. Butterfly Conservation News
Asher, J. (1997) Butterflies for the New Millennium - project and programme. In Butterflies for the New Millennium (R. Fox, ed). pp. 20–21. Proceedings of the 3rd Annual Meeting at Doncaster, May 1997. Huntingdon: ITE Monks Wood.
Dennis, R.L.H. (1993) Butterflies and climate change. Manchester: Manchester University Press.
Dennis, R.L.H. and Williams, W.R. (1986) Butterfly ‘diversity’. Regressing and a little latitude. Antenna,
Emmet, M. and Heath, J. (1990) The butterflies of Great Britain and Ireland. Colchester: Harley Books.
Fox, R. (ed) (1997) Butterflies for the New Millennium. Proceedings of the 3rd Annual Meeting at Doncaster, May 1997. Monks Wood, Huntingdon: ITE.
Harding, P.T. (1997) Why ITE is supporting the Butterflies for the New Millennium Project. In Butterflies for the New Millennium (R. Fox, ed). pp. 4–6. Proceedings of the 3rd Annual Meeting at Doncaster, May 1997. Huntingdon: Monks Wood ITE.
Hardy, P.B. (1998) Butterflies of Greater Manchester. Sale: PGL Enterprises.
Heath, J., Pollard, E. and Thomas, J.A. (1984) Atlas of Butterflies in Britain and Ireland. London: Viking.
Pollard, E. and Yates, T.J. (1993) Monitoring butterflies for ecology and conservation. London: Chapman and Hall.
Prendergast, J.R. and Eversham, B.C. (1995) Butterfly diversity in southern Britain: hotspot losses since 1930. Biological Conservation
Quinn, R.M., Gaston, K.J. and Roy, D.B. (1997) Coincidence between consumer and host occurrence: macrolepidoptera in Britain. Ecol. Entomol.
Rich, T. (1998) Squaring the circles - bias in distribution maps. British Wildlife
Shreeve, T.G. (1992) Monitoring butterfly movements. In R.L.H. Dennis (ed.) The Ecology of Butterflies in Britain. Oxford: Oxford University Press.
Sokal, R.R and Rohlf, F.J. (1995) Biometry. New York: W.H. Freeman and company.
Sparks, T.H., Dover, J.W., Warren, M.S. and Cox, R. (1995) How well can we model the distribution of butterflies at the landscape scale? In Landscape ecology: theory and application (G.H. Griffiths, ed.). pp. 24–31. Aberdeen: IALE (UK).
Statistica (1994) STATISTICA for Windows I-III. Tulsa, OK: Statsoft, Inc.
Thomas, C.D. and Abery, J.C.G. (1995) Estimating rates of butterfly decline from distribution maps: the effects of scale. Biol. Conserv.
Thomas, C.D., Thomas, J.A. and Warren M.S. (1992) Distributions of occupied and vacant habitats in fragmented landscapes. Oecologia
Vickery, M.L. (1995) Gardens: the neglected habitat. In Ecology and conservation of butterflies (A.S. Pullin, ed.). pp. 123–134. London: Chapman and Hall.
Warren, M.S., Barnett, L.K., Gibbons, D.W. and Avery, M.I. (1997) Assessing national conservation priorities: an improved red list of British butterflies. Biol. Conservation