abandinus abartach abellio abhean abnoba adder stone adsullata aengus afallach afterlife agrona aibell aimend airmed alastir alaunus alisanos alnus glutinosa altar amaethon ambisagrus anann ancamna ancient order of druids ancient rome andarta andraste anextiomarus animal animal sacrifice animism annwn anthropomorphism aoi mac ollamain apollo apple arawn ardennes arduinna arianrhod arnemetia arrian artemis artio arvernus aufaniae author avalon aveta badb balor banba banquet bard beag beauty beaver belatu-cadros belenus beli mawr belisama beltane benediction bergusia bias bird blodeuwedd boann boar bodb derg bog bormana borvo bourbon-lancy bourbonne-les-bains boyne bran the blessed branwen bres breton mythology brigid bristle britannia british druid order british iron age british white bronze age brythonic languages buarainech buile shuibhne bulgaria bull island burgundian burgundy buxenus buxton cad goddeu caduceus caer ibormeith caerwent cailleach camma camulus carlisle carman carrawburgh cashel cassivellaunus cattle raiding cauldron cella celtiberian language celtiberians celtic christianity celtic congress celtic gallaecia celtic neopaganism celtic reconstructionist paganism celtic revival celtic art celtic calendar celtic cross celtic knot celtic languages celtic law celtic maze celtic music celtic mythology celtic nations celtic studies celtic warfare celts celts and human sacrifice ceridwen cernunnos cessair cethlenn chedworth christian monasticism christianity christianization cian cicero cigfa circumstantial evidence cissonius classical antiquity claudius cliodhna cloak clootie well clota cocidius coin coligny calendar cologne commentarii de bello gallico conall cernach conchobar mac nessa condatis conn conn of the hundred battles connla continental europe corb corlea trackway cormac mac airt cornucopia corylus avellana county armagh county cork coventina crag crataegus monogyna creiddylad creidhne crom cruach crom dubh culhwch curse cyhyraeth dagda damona danu danube dea matrona deer deichtine deirdre deity denmark derry dewi dian cecht diarmuid ua duibhne dijon dionysus dis pater divination dog donn donn cuailnge drinking horn druid drunemeton dwynwen dyfed dylan ail don eagle early history of ireland eburones eburonian ecology efnysien eisteddfod elatha elen elysium emain macha emer epona erecura ernmas erwan berthou esus ethniu euffigneix europe euroswydd fand fenian fenian cycle ferdiad fergus fertility fianna fili fionn mac cumhaill fionnuala first fruits fomorians forest fortunate isles fragarach france fraxinus excelsior fruit gaelic ireland gaelic clothing and fashion gaelic warfare gaels galatia galatian language gallo-roman religion gaul gaulish language gebrinius geis genius loci germanic paganism germany gers glaistig glanis glanum gloucestershire god goddess gofannon goibniu goidelic languages gold gournay grannus great britain greek literature greek mythology greeks gundestrup cauldron gwern gwydion gwyn ap nudd gwynedd hafgan halloween hallstatt culture hammer haute-marne hebridean mythology and folklore herbalism hercules high king of ireland history of wales hochdorf holiday hooded spirits horned god horned helmet horse hot spring human sacrifice hunting hygieia icovellauna ilex aquifolium imbolc immram indo-european people insomnia ireland irish language irish literature irish mythology iron age isaac bonewits isle of man jewellery joseph vendryes julius caesar jutland king arthur lai lake laon latin literature legnica leiden lenus leodegrance lepontic language lir list of celtic deities list of celtic tribes list of celts list of english words of celtic origin literature livestock lleu llaw gyffes lludd llaw eraint locus classicus loucetios loudun luchtaine lugaid lugaid mac con lugh lughnasadh lugus lunar phase luxovius lyon mabinogion mabon ap modron mac cuilinn mac cuill macha mag mell malus sylvestris manawydan maponos marcus annaeus lucanus marie de france marne marsh math fab mathonwy matholwch matter of britain mead medb meteorology miach middle ages middle age midir minerva miranda green mirebeau modern celts modron montagnac monument moon mortuary enclosure mother goddess mountain mug ruith munster myrddin wyllt mythological cycle names of the celts nantosuelta nature worship neit nemain nemausus nemetona neo-druidism neopaganism netherlands niamh nisien noble court nodens noric language northern italy notre dame de paris numinous oak ogham ogma ogmios old irish olwen oral tradition ossian otherworld ox paganism pan-celticism panacea paris penarddun pendant personality pharmacopoeia pharsalia picardy pictish stones picts pliny the elder plor na mban polytheism polytheistic reconstructionism pome poole logboat posidonius pre-roman iron age prehistoric scotland prehistoric wales priest proto-celtic proto-indo-european religion pryderi pwyll reformed druids of north america religion religion in ancient greece religious festival remi rhiannon rhine rhineland ritual river river boyne river ribble river shannon robert larson robor roman britain roman empire roman mythology roman temple rome rosmerta ross nichols rudianos sabrina sacrifice salmon sambucus nigra samhain satire scota scoti scotland in the early middle ages scotland in the high middle ages scottish mythology segomo seine selene senua seonaidh sequana shannon sheela na gig shrine sickle silvanus sirona smertrios snake social status sorbus aucuparia southern france spa speed spirit spoke strabo sucellus suetonius suleviae sulis sun sun cross syncretism tailtiu taliesin tamesis taran taranis tarvos trigaranus taxus baccata tethra the dagda the druid order thunder tiberius topography toponymy torc toutatis transmigration of the soul tree tree worship treveri trier triple spiral uathach ucuetis uisnech ulster ulster cycle val camonica vasio vates verbeia vernacular literature vestment veteris virility viscum album visucius vosegus vosges wales warrior welsh triads welsh language welsh mythology wharfe wheel wicca wood writing system yew ys yugoslavia zeus