<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">MacNeill, Eoin</hi> (1929): <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">"Archaisms in the ogham inscriptions." Proceedings of the Royal Irish Academy. Section C: Archaeology, Celtic Studies, History, Linguistics, Literature</hi> 39: 33-53.