Bibliography
- London's Natural History 1945 New Naturalist no 3.
- London's Birds (Collins) 1949
- Home Counties (About Britain Series; No.3) 1951
- Contributions to the Bibliography of the Natural History of the London Area: No.2: a Subject Index of the Society's Journals, 1941-51 1952
- The Pocket Guide to British Birds (illustrated by Richard Richardson) 1952
- Birds of Town and Village (Collins Naturalist Series) 1953
- The Natural History of the City 1953
- The Pocket Guide to Nests and Eggs 1955
- Fontana Bird Guide (Fontana series) 1956
- Pocket Guide to Wild Flowers (with David McClintock) 1956
- Fontana Wild Flower Guide 1957
- Your Book of Bird Watching 1958
- The Ark in Our Midst: The Story of the Introduced Animals af Britain; Birds, Beasts, Reptiles, Amphibians, Fishes 1959
- The 'Countryman' nature book: An anthology from 'The Countryman' 1960
- Your Book About Wild Flowers 1960
- Collins Guide to Bird Watching (illustrated by Richard Richardson) 1963
- Fitters Rural Rides: 'The Observer' Illustrated Map-Guide to the Countryside 1963
- Wildlife in Britain (Pelican books) 1963
- Wildlife - and Death (Take Home Books) 1964
- Britain's wildlife: Rarities and Introductions 1966
- Pocket Guide to British Birds (with Richard Richardson) 1966
- The Penguin Dictionary of British Natural History (with Maisie Fitter) 1967
- Pocket Guide to Nests and Eggs 1968
- Vanishing Wild Animals of the World 1968
- Guide to Bird Watching 1970
- Contributed section on Mammals to "The Shell Natural History of Britain" 1970
- Finding Wild Flowers 1971
- Birds of Britain and Europe with North Africa and the Middle East (with illustrations by Hermann Heinzel and maps by John Parslow) 1972
- The Butterfly Ball and the Grasshopper's Feast (with William Plomer, illustrations by Alan Aldridge) 1973
- Wild Flowers of Britain and Northern Europe (Collins Pocket Guide) (with Alastair Fitter, Marjorie Blamey)1974
- Penitent Butchers: The Fauna Preservation Society 1903-1978 (with Sir Peter Scott) 1978
- Collins Gem Wild Flowers (with Marjorie Blamey) 1980
- The Complete Guide to British Wildlife (with Alastair Fitter, illustrated by Norman Arlott)
- Grasses, Sedges, Rushes & Ferns of Britain and Northern Europe (Collins Pocket Guide) (with Alastair Fitter, Ann Farrer) 1984
- Collins Guide to the Countryside (with Alastair Fitter) 1984
- Contributed the article on 'Naturalized Birds' to A Dictionary of Birds (edited by Bruce Campbell & Elizabeth Lack 1985
- Wild Life of the Thames Counties (Ed) 1985
- A Field Guide to Freshwater Life in Britain and North-west Europe (Collins Field Guide) (with Richard Manuel) 1986
- Wild Life for Man (with Norman Arlott) 1986
- Collins Guide to the Countryside in Winter (Collins Handguide) (with Alastair Fitter) 1988
- Wild Flowers (Collins Gem Series) (with Martin Walters) 1999
- The Wild Flowers of Britain and Ireland: The Complete Guide to the British and Irish Flora (with Alastair Fitter, Marjorie Blamey) 2003
Read more about this topic: R. S. R. Fitter