Attempts to ascertain the territorial allegiance of Niall Mór by examining three poems ascribed to him: Sé hoidhche dhamhsa san dún (from the Red book of Clanranald); Soraidh slán don oidhche a-réir (from the Red book of Clanranald, etc.); Seanchas na pìob’ o thùs (from McLagan MS 26).