Books
Books authored by Mary Gillham:
Instructions to Young Ornithologists, IV: Sea Birds, Brompton Library Series, Museum Press, London, 1963.
A Naturalist in New Zealand, Museum Press, London and Reed, Wellington, New Zealand, 1966.
Sub-Antarctic Sanctuary: Summertime on Macquarie Island, Victor Gollancz, London and Reed, Wellington, New Zealand, 1967.
The Natural History of Gower, D. Brown and Sons Ltd, Cowbridge, 1977.
Swansea Bay's Green Mantle: Wildlife on an industrial coast, D. Brown and Sons, Cowbridge, 1982.
Sand Dunes, Glamorgan Heritage Coast Wildlife Series, Volume 1, Glamorgan Wildlife Trust, Bridgend, 1987.
Rivers, Glamorgan Heritage Coast Wildlife Series, Volume 2, Glamorgan Wildlife Trust, Bridgend, 1989.
Limestone Downs: Commons, Farms and Woods, Glamorgan Heritage Coast Wildlife Series, Volume 3, Glamorgan Wildlife Trust, Bridgend, 1991.
Coastal Downs: Ogmore and Dunraven, Glamorgan Heritage Coast Wildlife Series, Volume 4, Glamorgan Wildlife Trust, Bridgend, 1993.
Sea Cliffs: Cwm Mawr to Gileston, Glamorgan Heritage Coast Wildlife Series, Volume 5, Glamorgan Wildlife Trust, Bridgend, 1994.
Town Bred, Country Nurtured: A naturalist looks back fifty years, M. E. Gillham, Cardiff, 1998.
Islands of the Trade Winds: An Indian Ocean odyssey, Minerva Press, London, 2000.
Island Hopping in Tasmania's Roaring Forties, Arthur H. Stockwell, Ilfracombe, 2000.
The Garth Countryside: Part of Cardiff’s green mantle: A natural history, Lazy Cat Publishing, Cardiff, 2001.
A Natural History of Cardiff: Exploring along the River Taff: being an account of the animal and plant life in and around our capital city, volume 2, Lazy Cat Publishing, Caerphilly, 2002.
Memories of Welsh Islands, Gwasg Dinefwr Press, Llandybie, 2004.
Salt Wind from the Cape, Lazy Cat, Caerphilly, 2005.
A Natural History of Cardiff: Exploring along the rivers Rhymney and Roath, volume 3, Gwasg Dinefwr Press, Wales, 2006.
A Naturalist on Lundy: The island wildlife over 50 years, Halsgrove, Wellington, Somerset, 2007.
This Island Life: Discovering Britain's offshore gems, Halsgrove Publishing, Wellington, 2007.
Exploring the Inner Hebrides, Halsgrove, Wellington, Somerset, 2008.
Wildlife Watching in the Slow Lane: The nature diary of an octogenarian, Ryelands, Wellington, 2009.
With other authors:
The Flora of a Changing Britain, F. Perring, Botanical Society of the British Isles, E. W. Classey, Middlesex, 1970.
Everyman’s Nature Reserve: Ideas for action, Eve Dennis, Devon Trust for Nature Conservation, David and Charles, Devon, 1972.
The Historic Taf Valleys, Volume 1: A Guide to the Taff Valleys from Quakers’ Yard to Aberfan, John Perkins, Clive Thomas, Mary Gillham, Merthyr Tydfil and District Naturalists' Society, published by D. Brown and Sons, Cowbridge, 1979.
The Historic Taf Valleys, Volume 2: In the Brecon Beacons National Park: Geology, Social History, Natural History, John Perkins, Jack Evans and Mary Gillham, Merthyr Tydfil and District Naturalists' Society, published by D. Brown and Sons, Cowbridge, 1982.
Merthyr Tydfil: A valley community, edited by Victor Jones and John O’Driscoll, Merthyr Teachers’ Centre Group, D. Brown and Son, Cowbridge, 1982.
‘Sea cliffs’ in Discovering the countryside with David Bellamy: Coastal Walks, Hamlyn, London, 1982, pp.46-65.
The Historic Taf Valleys, Volume 3: From Taf Confluence at Cefn-Coed-y-Cymmer to Aberfan, John Perkins, Clive Thomas and Jack Evans, Merthyr Tydfil and District Naturalists' Society, published by D. Brown and Sons, Cowbridge, 1986.
Cardiff's Wildlife. Six Wildlife Walks in the City. Cardiff Naturalists' Society in association with Cardiff City Council. Chas Hunt, Cardiff, 1992
Wildlife Around Cardiff. Six Further Wildlife Walks. Cardiff Naturalists' Society. Chas Hunt, Cardiff, 1995
Unpublished Manuscripts:
Glimpse of South Dorset, 1946.
The Round of the Seasons or Jean and David on the Farm, 1946.
Touch of the Tropics: A Jamaican January, 1967
Lure of the Wilderness, 1969
New England Summer seen through Old English Eyes, 1977-80?
Freshwater Habitats in the Cardiff area, c.1978.
The Historic River Thaw: South Wales. A Natural History, 1981.
Tasmania, undated.
