(1994) "Collins Encyclopaedia of Scotland", London, HarperCollins ISBN 0-00-255082-2* Maclean, Charles (1977) "Island on the Edge of the World: the Story of St. Kilda", Edinburgh, Canongate ISBN 0-903937-41-7* MacGregor, Alasdair Alpin (1969) "The Farthest Hebrides", London, Michael Joseph Ltd. ISBN 0-7181-0691-1* Martin, Martin (1703) "A Voyage to St. Kilda" in "A Description of The Western Islands of Scotland", Appin Regiment/Appin Historical Society.
(1994) "Collins Encyclopaedia of Scotland", London, HarperCollins ISBN 0002550822* Maclean, Charles (1977) "Island on the Edge of the World: the Story of St. Kilda", Canongate ISBN 0903937417* Martin, Martin (1703) «A Voyage to St. Kilda» in "A Description of The Western Islands of Scotland", Appin Regiment/Appin Historical Society.