53–60* Byrne, Francis John, "Historical note on Cnogba (Knowth)", in "Excavations at Knowth, Co. Meath, 1962–65" (George Eogan ed.
1171)* Byrne, Francis John, Historical note on Cnogba (Knowth), in Excavations at Knowth, Co. Meath, 1962-65 (George Eogan ed.