Editing Ring of Brodgar (section)

==References==
*{{cite book | last = Burl | first = Aubrey | title = The Stone Circles of the British Isles | publisher = Yale University Press | date = 1976 | location = London | isbn = 0-300-01972-6 | url = https://archive.org/details/stonecirclesof00burl }}
*{{cite book |last=Bramwell |first=Peter |year=2009 |title=Pagan Themes in Modern Children's Fiction: Green Man, Shamanism, Earth Mysteries |publisher=Palgrave Macmillan |location=New York |isbn=978-0-230-21839-0 }}
*{{cite book | last = Castleden | first = Rodney | title = The Stonehenge People | publisher = Routledge & Kegan Paul Ltd. | date = 1987 | location = London | isbn = 0-7102-0968-1 | url-access = registration | url = https://archive.org/details/stonehengepeople0000cast }}
*{{cite book | last = Childe | first = V. Gordon |author2=W. Douglas Simpson  | title = Illustrated History of Ancient Monuments: Vol. VI Scotland | publisher = Her Majesty's Stationery Office | date = 1952 | location = Edinburgh }}
*{{cite book | last = Hadingham | first = Evan | title = Circles and Standing Stones: An Illustrated Exploration of the Megalith Mysteries of Early Britain | publisher = Walker and Company | date = 1975 | location = New York | isbn = 0-8027-0463-8 | url = https://archive.org/details/circlesstandings00evan_0 }}
*{{cite book | last = Hawkes | first = Jacquetta | title = The Shell Guide to British Archaeology | url = https://archive.org/details/shellguidetobrit0000hawk | url-access = registration | publisher = Michael Joseph | date = 1986 | location = London | isbn = 0-7181-2448-0}}
*{{cite book | last = Hedges | first = John W. | title = Tomb of the Eagles: Death and Life in a Stone Age Tribe | publisher = New Amsterdam | date = 1984 | location = New York | isbn = 0-941533-05-0}}
*{{cite book | last = Heggie | first = Douglas C. | title = Megalithic Science: Ancient Mathematics and Astronomy in North-west Europe | publisher = Thames and Hudson | date = 1981 | location = London | isbn = 0-500-05036-8}}
*{{cite book | last = Laing | first = Lloyd | title = Orkney and Shetland: An Archaeological Guide | publisher = David and Charles Ltd. | date = 1974 | location = Newton Abbott | isbn = 0-7153-6305-0}}
*{{cite book | last = MacKie | first = Euan | title = Science and Society in Prehistoric Britain | publisher = Palgrave Macmillan | date = 1977 | location = London | isbn = 0-312-70245-0}}
*{{cite book | last = Ritchie | first = Graham & Anna | title = Scotland: Archaeology and Early History | publisher = Thames and Hudson | date = 1981 | location = New York | isbn = 0-500-27365-0}}
*{{cite book | last = Ritchie | first = Graham | editor = Renfrew, Colin | chapter = Ritual Monuments | title = The Prehistory of Orkney BC 4000–1000 AD | publisher = Edinburgh University Press | date = 1985 | location = Edinburgh| isbn = 0-85224-456-8}}
* {{cite journal | author = Thom, A. | author2 = Thom A.S. | name-list-style = amp | title = A megalithic lunar observatory in Orkney: the Ring of Brodgar and its cairns | journal = Journal of Historical Astronomy | date = 1973 | volume = 4 | issue = 2 | pages = 111–123 |doi= 10.1177/002182867300400203 | bibcode = 1973JHA.....4..111T | s2cid = 125682973 }}
* {{cite journal | author = Thom, Alexander | title = A Statistical Examination of the Megalithic Sites in Britain | journal = Journal of the Royal Statistical Society. Series A (General) | date = 1955 | volume = 118 part III | issue = 3 | pages = 275–295 | doi=10.2307/2342494 | jstor = 2342494}}
*{{cite journal | last = Wainwright | first = G.J.| title = A review of henge monuments in the light of recent research | journal = Proceedings of the Prehistoric Society | date = 1969 | volume = 35 | pages = 112–133 |doi= 10.1017/S0079497X00013426 | s2cid = 191407800}}