¹Cole, Grenville A. J. "Proleek Cromleck." Journal of the County Louth Archaeological Society 5.1 (1921): 24. Quoted from his essay, "Ireland the Outpost."

²"Golf Card & Rules." Ballymascanlon House Hotel. Web. 01 June 2011. <http://www.ballymascanlon.com/html/golf_card.htm>.
The hotel warns its golfers, "THE DOLMAN PATHWAY Fence which runs on the left hand side of the 6th, 7th, 13th & 14th holes is deemed to be an integral part of the course, the ball must be played as it lies or declared unplayable - Rules 24 Def.C."

³Borlase, William Copeland. The Dolmens of Ireland, Their Distribution, Structural Characteristics, and Affinities in Other Countries; Together with the Folk-lore Attaching to Them; Supplemented by Considerations on the Anthropology, Ethnology, and Traditions of the Irish People. With Four Maps, and Eight Hundred Illustrations, including Two Coloured Plates. Vol. 1. London: Chapman & Hall, Ld., 1897. 305.

⁴"Proleek Dolmen's Summer Solstice Alignment." MYTHICAL IRELAND - Newgrange, Ancient Sites, Myths, Mysteries, Tours and Astronomy. Web. 01 June 2011. <http://www.mythicalireland.com/ancientsites/proleek/proleek-summer-solstice-alignment.php>.

⁵Evans, E. Estyn. Prehistoric and Early Christian Ireland; a Guide. New York: Barnes & Noble, 1966. 158.

⁶Morris, Henry, and Peter P. MacDonnell. "Notes and Queries." Journal of the County Louth Archaeological Society 2.3 (1910): 323-25.
Lloyd, J. H. "The Legend of Proleek." Journal of the County Louth Archaeological Society 1.3 (1906): 46-48.

⁷"Proleek Dolmen." The Journal of the Royal Society of Antiquaries of Ireland 18 (1908): 318.

⁸Lloyd.

⁹Wright, Thomas, and Paul Foudrinier. Louthiana: Or, An Introduction to the Antiquities of Ireland. In Upwards of Ninety Views and Plans: Representing, with Proper Explanations, the Principal Ruins, Curiosities, and Ancient Dwellings, in the County of Louth. Divided into Three Books. Vol. 2. London: Printed for T. Payne, 1758. 11.

¹⁰"Louth Ordnance Survey Letters (Continued)." Journal of the County Louth Archaeological Society 7.1 (1929): 65-66.
T. O'Conor and J. O'Keeffe were credited as the authors of these letters.

¹¹Wood-Martin, W. G. Traces of the Elder Faiths of Ireland. Vol. 2. London: Longmans, Green, & Co. 1902. 29.

¹²Wood-Martin, W.G., The Rude Stone Monuments of Ireland: Co. Sligo and Achill Island. Dublin: Hodges, Figges and Co., 1888. 87-88.