Gibbons (Michael)

11358.
Gibbons (Michael): The longphort phenomenon: in early Christian and Viking Ireland.
In HI 12/3 (Autumn, 2004), pp. 19–23.
18371.
Gibbons (Myles), Gibbons (Michael): The search for the ninth-century longphort: early Viking-age Norse fortifications and the origins of urbanization in Ireland.
In Medieval Dublin 8 (2008), pp. 9–20.
Also on the meaning of the term longphort.
13851.
Gibbons (Michael): Lhuyd, O’Flaherty and the lost discovery of the Brú na Bóinne world heritage site.
In AI 28/3 (Autumn, 2014), pp. 30–32.
15768.
Gibbons (Myles), Gibbons (Michael): The brú: a Hiberno-Roman cult site at Newgrange?
In Emania 23 (2016), pp. 67–78.