1. Diversity and phantom competition in African acraeine butterflies;ACKERY;Biological Journal of the Linnean Society,1987
2. Hostplants and classification: a review of nymphalid butterflies;ACKERY;Biological Journal of the Linnean Society,1988
3. Biocontrol potential of African lycaenid butterflies entomophagous on Homoptera;ACKERY;Revue Zoologique Africaine,1990
4. ACKERY , P. R. RAJAN , S. Unpublished manuscript A manuscript host-list of the Afrotropical butterflies Entomology Library, The Natural History Museum