3rd Spalding Club, Kirkwall Charters, 1952
Anderson, Richard MN, ‘Democratic Answer is in your Hands’, Shetland Times, 17 August 2001.
Balfour, 1859 'Oppressions of the XVIth Century in the Islands of Orkney & Zetland'.
Churchill R & Lowe AV 1988, The Law of the Sea.2nd Ed.
Clouston, S, (Ed) Records of the Earldom of Orkney, 1914
Crawford, B E, 1969 'The pawning of Orkney & Shetland' 1969 Scottish Historical Review.
Crawford, BE 1967-8 Earldom of Orkney & Lordship of Shetland: a reinterpretation of their pledging. XVII Saga-Book of the Viking Society
Cusine, DJ ‘Udal Law’, Northern Studies, Vol.32, 1997
Dicey 'An introduction to the study of the Law of the Constitution' 10th Ed. 1959.
Dickinson 1954 ‘Odal rights and Feudal Wrongs' in Simpson, Ed '1950 Viking Congress'
Dobie 1936 The sources and literature of Scots Law. The Stair Society.
Donaldson, G, Problems of Sovereignty, Miscellany II Stair Soc vol 35
DONALDSON, Gordon, ‘Norse and Scottish Law in Shetland; the Background’, The Shetland Report; a Constitutional Study, Nevis Institute, 1978.
Dowrick. Submarine Areas around Great Britain. Public Law 1977.
Drever, WP ‘Udal Law on the Foreshore’ 1904
Drever, WP 1933 'Udal Law' in Wark [Dunedin et al] 'Encyclopedia of Scots Law' 3rd Ed 1933
Flett, B ‘Udal Rights are safe – says Wallace’. The Orcadian 16 August 2001.
Fulton TW, Sovereignty of the Seas, 1911
Gardiner, DL 1976 'Legal storm clouds over Rockall' 197 S.L.T. (News)
Gibson, J, Foreshore – A Concept Built On Sand.
Gibson, J, On the Kingdom of the Shore. Lloyds Marine and Commercial Law Quarterly 1978.
Gibson, J, The ownership of the Sea Bed under British Territorial Waters. International Relations 6 1978.
Howarth, William, A Norse Saga: the Salmon, the Crown Estate and the Udal Law, Jur Rev 1988
Jacobsen, Jakob, An Etymological Dictionary of the Norn Language in Shetland, David Nutt, (A G Berry), London and Vilhelm Prior, Copenhagen 1928
Johnson 1920 'Odal Law in Orkney & Shetland' in Old Lore Miscellany of Orkney, Shetland.
Jones, Michael R H ‘Perceptions of Udal Law in Orkney and Shetland’, in Doreen Waugh and Brian Smith (eds.), Shetland’s Northern Links, Scottish Society for Northern Studies, 1996.
Larson, Laurence M, 1935 The Earliest Norwegian Laws, being the Gulathing Law and the Frostathing Law.
Mackenzie, 'The general grievances and oppressions of the Isles of Orkney and Shetland' 1836.
Marston 1981 'The Marginal Seabed'
Marston, G 1991 CLJ 1991 The Crown's seabed estate - a valuable prerogative.
Monica E Mulrennan and Colin H Scott, Mare Nullius: Indigenous Rights in Saltwater Environments. Institute of Social Studies 2000.
Peterkin, 1822 'Notes on Orkney & Zetland’
Riise, J, Report to Shetland Islands Council - 29 October 2003
Robberstad, K 1983 ‘Udal Law’, in Donald J.Withrington (ed.), Shetland and the Outside World, 1469-1969,
Ryder, Jane ‘Udal Law; an Introduction’, Northern Studies, Vol.25, 1988.
Sinclair, P Aspects of the Law of Anchorage Conveyancer 64 2000.
Smith, David, ‘Udal law’, in Nevis Institute, The Shetland Report; a Constitutional Study, 1978.
Smith, T ‘Udal Law’, The Laws of Scotland; Stair Memorial Encyclopaedia, 1989.
Smith, T 1973 St Ninian's Isle and its Treasure.
Wharam, A The Seashore. Planning & Environmental Law 1974
Windeyer 1974 The Seabed in Law.