Languages

Gaeilge (Irish)

books
Learning Irish by Michael Ó Siadhail
Teach Yourself Irish by Diarmuid Ó Se and Joseph Sheils
Colloquial Irish: The Complete Course for Beginners by Thomas Ihde
Basic Irish: A Grammar and Workbook by Nancy Stenson
Intermediate Irish: A Grammar and Workbook by Nancy Stenson
Foclóir Gaeilge-Béarla by Niall Ó Dónaill
Modern Irish: Grammatical Structure and Dialectal Variation by Michael Ó Siadhail
Irish Grammar: A Basic Handbook by Noel McGonagle
Who Needs Irish?: Reflections on the Importance of the Irish Language Today by Ciarán Mac Murchaidh

audio
Buntús Cainte Ceim a hAon: A First Step in Spoken Irish by Tomas O Domhnallain (also available for iPhone/iPad/iPod)
Singing in Irish Gaelic by Mary McLaughlin
Spoken World: Irish by Living Language
Rosetta Stone: Irish
How to Pronounce Irish for Beginners by Gearóid

websites
Irish Language Information and Resources
Language @ Irish Culture and Customs
… for more links, visit here.

courses
The Philo-Celtic Society (free/online)

immersion retreats
Gaeltacht Thuaisceart an Oileáin Úir / North American Gaeltacht (Canada)

Gàidhlig (Scots Gaelic)

books
Colloquial Scottish Gaelic: The Complete Course for Beginners by Katherine M. Spadaro
Teach Yourself Gaelic by Roderick MacKinnon
Gaelic-English Dictionary by Colin Marks
Faclair na Pàrlamaid, produced by the Scottish Parliament
Sabhal Mòr Ostaig’s An Stòr-data Briathrachais Gàidhlig

websites
BBC – Alba – Beag Air Bheag
Cille Conval Gaelic Partnership – Gaelic Lessons
Bruidhinn ar Cànan | Speaking Our Language (lessons)
BBC – Speaking Our Language (videos)
Help Learning Gaelic
… for more links, visit here.

distance learning
Classes and Distance Learning (via An Comunn Gàidhealach Ameireaganach)
The Access Course (via Sabhal Mòr Ostaig)

Gaelg (Manx)

books
Focklioar Giare: Gaelg – Baarle by Illiam Wood

websites
Failt erriu as bannaghtyn dys Ynsee Gaelg – Learn Manx
Manx Gaelic: Chengey-ny-Mayrey Vannin
Gaelg er yn Eggey
Gaelg Lessoonyn
… for more links, visit here.

Sean-Ghaeilge (Old Irish)

books
Sengoidelc: Old Irish for Beginners by David Stifter
Old Irish Workbook (Irish Studies) by Ernest Gordon Quin
A Grammar of Old Irish (Irish language: grammar) by Rudolf Thurneysen

websites
In Dúil Bélrai – gluais Sean-Ghaeilge
Electronic Dictionary of the Irish Language (eDIL)
… for more links, visit here.