RCAHMS record the site as NO43SE 7. The Angus SMR records the site as NO43SE 0007.
Christison, D 1900, 'The forts, "camps", and other field-works of Perth, Forfar and Kincardine', PSAS 34, 82-5.
Coutts, H 1970, Ancient monuments of Tayside, 21, 35-6.
NSA 1834-1845, The new statistical account of Scotland by the ministers of the respective parishes under the superintendence of a committee of the society for the benefit of the sons and daughters of the clergy, 15v, 11, 545-6.
Neish, J 1862, 'Reference notes to plan and views of ancient remains on the summit of the Laws, Forfarshire', PSAS 3, 440-7.
Neish, J 1865, 'Further notice of explorations on the Hill of Laws, Forfarshire', PSAS 5, 321-2.
OSA 1791-9, The statistical account of Scotland, drawn up from the communications of the ministers of the different parishes, in Sinclair, J (Sir), 13, 484-5.
RCAHMS 1950-9, Marginal Land Survey (unpublished typescripts).