D. L.  Hawksworth, ?Taxonomic and biological observations on the genus Lichenoconium (Sphaeropsidales)?, Persoonia, vol. 9, pp. 159-198, 1977.

D. L.  Hawksworth and Sivanesan, A., ?New and interesting microfungi from Slapton, South Devonshire: Ascomycotina III?, Transactions of the British Mycological Society, vol. 67, pp. 477-483, 1977.

P. W.  James, Hawksworth, D. L., and Rose, F., ?Lichen communities in the British Isles: a preliminary conspectus?, in Lichen Ecology (ed. Seaward, M.R.D.), London etc.: Academic Press, 1977, pp. 295-413.

D. L.  Hawksworth, ?Taxonomic and biological observations on the genus Lichenoconium (Sphaeropsidales)?, Persoonia, vol. 9, pp. 159-198, 1977.