The changing flora and fauna of Britain : proceedings of a symposium held at the University of Leice

Symposium on the Changing Flora and Fauna of Britain (1973 : University of Leicester)
London ; New York : Published for the Systematics Association by Academic Press, 1974.

Lichenology : progress and problems : proceedings of an international symposium held at the Universi

London ; New York : Published for the Systematics Association and the British Lichen Society by Academic Press, 1976.

The Shore environment

London ; New York : Published for the Systematics Association by Academic Press, 1980.