abartach aengus aillen armagh badb balor banba bard beltane boann bodb derg bodhmall bodleian library book of leinster book of lismore book of taliesin breton mythology brian boru briccriu brigid buile shuibhne caladbolg cath gabhra cathbad catubodua celtic mythology celtic pantheon celtic polytheism celts children of lir christianity conchobar mac nessa connacht connla county dublin creidhne cumhall dares phrygius deichtine deirdre deity dian cecht diarmuid ua duibhne donn donn cuailnge druid edmund lenihan emain macha emer epic poetry fairy fand fenian cycle ferdiad fianna finnbhennach fionn mac cumhaill fled bricrenn fomorians fragarach gaels geoffrey keating geoffrey of monmouth goibniu goll mac morna gregory frost hebridean mythology and folklore heroic age iliad imbolc ireland irish poetry john millington synge killiney labraid loingsech latin lebor na huidre leinster list of celtic deities lugh lughnasadh lugus mabinogion macha matter of britain medb mesca ulad midir monk morgan llywelyn munster mythological cycle mythology naoise noah nodens ogma ogmios oral tradition prehistoric britain rawlinson excidium troie rome royal irish academy sadbh saint patrick samhain scotland scottish mythology seamus heaney serglige con culainn taranis the boyhood deeds of fionn the voyage of bran tochmarc emire trevor joyce tristan and iseult tuireann uathach ulaid ulster ulster cycle vates vincent woods welsh triads welsh mythology william butler yeats