Natural History
Wild Flowers. Botanising in Britain
London, Collins, 1969 (fourth edition)/ 1954. Number 5 in the New Naturalist Library. More
The Open Sea. Part I: The World of Plankton. [Together with]: ... Part II: Fish and Fisheries
London, Collins, 1970 (second edition)/ 1958 (revised edition)/ 1956 and 1970/ 1959. Numbers 34 and 37 of 'The New Naturalist - A Survey of British Natural History' series. More
Flowers of the Coast
London, Collins, 1962 (reprint)/ 1952. Number 24 in the New Naturalist Library. More
Plant Disease. A Natural History
London, Harper Collins Publishers, 1999. Number 85 in the New Naturalist Library. More
Northumberland. With Alston Moor
London, Collins, 2004. Number 95 in the New Naturalist Library. More
Nature Conservation. A Review of the Conservation of Wildlife in Britain, 1950-2001
London, HarperCollins Publishers, 2002. Number 91 in the New Naturalist Library. More
Mammals in the British Isles
London, Collins, 1982. Number 68 in the New Naturalist Library. More
Mosses and Liverworts
London, Collins, 2005 (paperback edition). Number 97 in the New Naturalist Library. More
Mountain Flowers
London, Collins, 1956. Number 33 in The New Naturalist Library. More
The New Forest
London, Collins, 1986. Number 73 in the New Naturalist Library. More