1. Allen RN (1976) The New South Wales Avocado Improvement Scheme: virus indexing by Dr. R.N. Allen, Research Scientist, Agricultural Research Centre, Wollongbar. In: Meeting Notes for the Avocado Field Day, Australian Avocado Growers’ Federation, Mt. Tamborine, 7th April 1976
2. Allen RN (1977) Virus indexing. Paper presented at the Australian Avocado Research Workshop, Binna Burra Lodge, Lamington National Park, Queensland, October 1977
3. Allen RN (1981) Research on major plant diseases affecting avocados in New South Wales. Avocado Growers' Association of N.S.W. Annual Report and Yearly Review 1981, pp. 10–14
4. Allen RN (1983) A survey of double-stranded ribonucleic acid molecules in some New South Wales avocado trees. In: Avocado Growers' Association of NSW Annual Report and Yearly Review 1983, pp. 5–9
5. Allen R, Dale JL (1981) Application of rapid biochemical methods for detecting avocado sunblotch disease. Ann Appl Biol 98:451–461