The LEIGHEAS project Irish Medical Manuscript of the Month for December 2025 is TCD MS 1435 (E.3.30), containing Irish versions of works by Petrus de Argellata, Bernard of Gordon & John of Gaddesden, as well as this diagram of the 7 tunics of the eye: leigheas.maynoothuniversity.ie/leigheas-man...

1/4📜✨New on ISOS: from the Russell Library, Maynooth three 19th-c. Manuscripts for Fr. Muiris Cinniféic, scribes Éamonn Ó Mathghamhna & Pól Ó Longáin. Saints’ lives, genealogies, law, devotional, etc links to Book of Lismore & the Leabhar Muimhneach. 🙏Thanks to @mulibrary.bsky.social @dias.ie

The manuscript of the week is RIA MS 23 P 16, Leabhar Breac. Written in Irish by Murchadh Riabach Ó Cuindlis, at Cluain Lethan and Lothra (Lorrha) in Múscraige Tíre, in north Co. Tipperary, it is the largest Irish vellum manuscript by one scribe.

And also a huge thanks to @dias-isos.bsky.social for making it happen! Really looking forward to discussing these manuscripts at @anzamems.bsky.social Conference in just three short weeks!

1/4📜 New on ISOS: RIA MS 24 B 1, a Táin Bó Cuailnge manuscript by Peadar Ó Longáin. Digitised with @dias.ie @ria.ie & @unimelb.bsky.social for @anzamems.bsky.social ANZAMEMS 2025. Thanks to Sarah Corrigan @corrigans.bsky.social for underscoring its importance to Irish scribal tradition and the Táin.

Read more about the Lebor na hUidre, view the digital images (provided by @dias-isos.bsky.social and copyright Royal Irish Academy Library) and explore the recordings and publications that were produced in 2012 at conference about the manuscript: www.ria.ie/collections/...

The manuscript is of Connacht provenance and from the names of places mentioned, likely written in Co. Roscommon. Read more about the Liber Flavus Fergusiorum and view the digital images, provided by @dias-isos.bsky.social and copyright Royal Irish Academy Library: www.ria.ie/collections/...

Duais eile ag Seán Ó Hoireabhárd de bharr a leabhair, The Medieval Irish Kings and the English Invasion. Comhghairdeachas leis! Another prize goes to Seán Ó Hoireabhárd for his book, The Medieval Irish Kings and the English Invasion. Congratulations to him! @hoireabhard.bsky.social @dias.ie

Samhain agus Science 2025 Sraith léachtaí agus imeachtaí Lectures and events @dias.ie www.eventbrite.com/cc/samhain-a...

Papers from the @ria.ie @ceilteachomn.bsky.social @scs-dias.bsky.social conference on the Book of Lecan, which took place last week, are now available to listen to on SoundCloud. Enjoy! #MedievalSky #SpéirGhorm www.ria.ie/audio/the-bo...

Tar chuig an léacht seo le Viktoriia, 4 Samhain Come to hear Viktoriia on 4 November #DIASdiscovers www.eventbrite.ie/e/medieval-m...

Viktoriia from @scs-dias.bsky.social will be speaking on this subject as part of DIAS #SamhainAgusScience Full details of our 2025 programme will be revealed in early October so watch this space #DIASdiscovers #DIAS85

Seimineáir an fhómhair - Autumn seminars 5pm DIAS Barry Lewis: Early Welsh poems: Llym awel & Claf Abercuawg (Luan/Mon.) Fergus Kelly: Dicta Cuirirán muiceda `The sayings of Cuirirán the swineherd', an Old Irish wisdom text (Céad./Wed.) Fáilte roimh chách! All welcome. @dias.ie #DIASdiscovers

📜✨ 1/2 New on ISOS: Private collection, Lincoln MS 1. Beatha Dhéagláin; Páis ár dTiarna; Ábhar Spioradálta 19th-c devotional manuscript (58pp) by Siomon Ó Faoláin, written for Mártan Ó Driscóil. Includes the Life of St Declan of Ardmore, the Passion of Our Lord, & spiritual texts. @dias.ie

It is the subject of a two-day conference taking place this week in RIA, in collaboration with @maynoothuniversity.ie and the @dias-isos.bsky.social Read more and view the digital images, provided by Irish Script on Screen and copyright Royal Irish Academy Library: www.ria.ie/collections/...

The Manuscript of the Week is RIA MS 23 P 2, Leabhar Mór Leacain/the Great Book of Lecan. Compiled in A.D. 1397-1418, it contains a large amount of genealogical material, as well as historical, biblical and hagiographical material.

Our CEO & Registrar Dr. Eucharia Meehan spoke to journalist Sean Duke @sciencespinning.bsky.social last month, about 85 years of DIAS, and our plans for the future. Check out the article in today's @irishtimes.com or the link below #DIASdiscovers #DIAS85 www.irishtimes.com/science/2025...

The manuscript of the week is RIA MS 23 P 6, the Annals of the Four Masters. The Annals are a chronicle of Irish history from A.M. 2242 to A.D. 1616, compiled between A.D. 1632-1636 by a Franciscan brother and three laymen, now known as the Four Masters.

Great to see more of our Gaelic manuscripts from St. Colman’s College Cork fully digitised and available for viewing online! Thanks Anne-Marie! ✨

1/3📜✨ New on ISOS: from the Russell Library, Maynooth, CF 11 & CF 16, both 19th-c copies of Leabhar Gabhála. Rich mytho-historical texts, with links back to Leabhar Droma Sneachta & earlier sources. Thanks to @mulibrary.bsky.social @dias.ie MU Special Collections & Lámhscríbhinní Choláiste Cholmáin

Delighted to be taking part in #HeritageWeek2025 this year with the launch of our publication 'Ogham Stones of County Mayo' by Mayo County Council Heritage Office on Wednesday evening! @heritagecouncil.ie @mayocountycouncil.bsky.social

The Manuscript of the Week is RIA MS 23 E 29, The Book of Fermoy. @dias-isos.bsky.social www.ria.ie/collections/manuscripts/irish-language-manuscripts/book-of-fermoy/

1/3 📜✨ Two new manuscripts from Russell Library, Maynooth, now on ISOS: CF 13 & CF 14, both by 19th-c scribe Seosamh Ó Longáin. Religious + mythological texts, with elegant script & decorated initials. Thanks to @mulibrary.bsky.social MU Special Collections & Lámhscríbhinní Choláiste Cholmáin.

The LEIGHEAS project Irish Medical Manuscript of the Month for July 2025 is Dublin, @ria.ie MS 23 N 29. It consists of 23 paper fragments, one of which is a portion of the sole surviving prosimetrical remedy collection in Irish. Read more here! 👇 leigheas.maynoothuniversity.ie/leigheas-man...

The Manuscript of the Week is RIA MS 23 P 16, Leabhar Breac: www.ria.ie/collections/manuscripts/irish-language-manuscripts/leabhar-breac-the-speckled-book-the-book-of-mac-egans-leabhar-mor-duna-doighre/

The manuscript of the week is Lebor na hUidre (RIA MS 23 E 25). The Manuscript of the Week is on display in the Reading Room of the Library this week from 10.00 a.m. - 4.30 p.m. Monday - Friday. No appointment or reader’s ticket is required. www.ria.ie/collections/...

🚨 NEW podcast episode! Dr Seán Ó Hoireabhárd @hoireabhard.bsky.social‬, formerly an O’Donovan scholar (now @ceilteachomn.bsky.social‬) discusses his book ‘Medieval Irish Kings and the English Invasion’ (@livunipress.bsky.social‬). 🎧 YouTube, Spotify, Apple Podcasts & www.dias.ie/series/ni-ha... ✨

Go raibh maith agaibh ‪@irishexaminer.bsky.social! Great review of our Research Podcast "Ní hansae". New episode coming out this Friday 27 June, so keep an eye on this space 👀

1/2📜 Delighted to feature a newly digitised manuscript from @ria.ie on ISOS, MS E iv 2, a remarkable 17th-century medical text containing Aphorisms of Hippocrates, hymnal notes, healing remedies & more. 🩺📖 A rare glimpse into early modern Gaelic medical tradition!

🚨 Tá an chéad eipeasóid anseo!! Prof. Ruairí Ó hUiginn on: "What is the School of Celtic Studies @dias.ie?" 🎧 Listen / Watch now following the links below 👇

1/4 📜✨ Newly available manuscripts from the Russell Library, Maynooth. MSS CF 1 & CF 34 now on Irish Script on Screen (ISOS), with thanks to @mulibrary.bsky.social , MU Special Collections & Lámhscríbhinní Choláiste Cholmáin. 19th-c Irish manuscripts contain poetry, religious texts & stories.

1/5 Delighted to announce a new collaboration with Kilkenny Mile Museum to digitise the Liber Primus Kilkenniensis, Kilkenny’s oldest civic record. 📜 #LiberPrimus #Digitisation @dias.ie @scs-dias.bsky.social #DIASdiscovers #IrishManuscripts

The Manuscript of the Week is the Book of Uí Mhaine, RIA MS D ii 1. The contents of this 14th C manuscript are described in a marginal note as ‘bolg an tsolathair’ (bag of mixed content/miscellany). Read more & find a link to the @dias-isos.bsky.social digital copy here: www.ria.ie/collections/...

The Manuscript of the Week is the Annals of Connacht, RIA MS C iii 1. This manuscript records the history of Gaelic Ireland for over three hundred years from AD 1224-1544! The years are visible in the the margins. Read more & see the @dias-isos.bsky.social digital copy: www.ria.ie/collections/...

Celebrate World Poetry Day with us by delving into the extensive array of digitized Irish manuscripts and poetry available on Irish Script on Screen! Check it out here and through our linktree: www.isos.dias.ie

A BIG Og(h)am event coming up: Professor Katherine Forsyth's inaugural lecture at the University of Glasgow @uofglasgow.bsky.social Wednesday 26 March 17:30 Registration at: www.eventbrite.com/cc/humanitie...

Our Manuscript of the Week is the Book of O’Lees or Book of Hy-Brasil, RIA MS 23 P 10(ii). Each table names a disease, typical characteristics, who is most susceptible, and most importantly, the cures! Learn more & see a digitised copy via @dias-isos.bsky.social www.ria.ie/collections/...

Really excited to see this out in the world, open-access ✨ I argue that coloured/enlarged letters (litterae notabiliores) and paragraphs are used in the manuscripts to mark dialogue and the textual structure of Acallam na Senórach. MS pictures and direct links to @dias-isos.bsky.social are provided!

Amárach - tomorrow! Déardaoin 20 Feabhra - Thursday, 20th February ‘Before Zeuss: some (justly?) neglected works on early Celtic linguistics’ James Mallory (Queen’s University Belfast) 5.30, DIAS, Dublin/BÁC Fáilte roimh chách! All welcome! #DIASdiscovers www.dias.ie/2025/02/10/l...

Léachtaí poiblí na Scoile san earrach, 2025. Fáilte romhaibh ar fad! SCS public lectures spring 2025. All welcome! www.dias.ie/2025/02/10/l...

4/ You can see the digitised copy of the manuscript via @dias-isos.bsky.social here: www.isos.dias.ie/RIA/RIA_MS_2... read Whitey Stokes' English translation of the Tale of Fortinbras via @archive.org here: archive.org/details/revu... #LibraryLoversMonth

1/ Our Manuscript of the Week is Liber Flavus Fergusiorum (RIA MS 23 O 48). This 15th C compilation of texts includes the Tale of Fortinbras: an Irish retelling of a French song in which a Saracen giant chooses to become a Christian knight in the service of Charlemagne.

Once thought lost, now digitally available, an Irish manuscript translation of Book 1 of Paradise Lost, via @dias-isos.bsky.social, with my own catalogue entry for the manuscripts. Also first manuscript from a North American library on the wonderful @dias-isos.bsky.social

🚨 Lost & Found! A 19th-century Irish translation of Paradise Lost by poet Tomás ‘an tSneachta’ Ó Conchubhair has been rediscovered in the University of Illinois collection! 🎉 Believed lost for decades, it's now live on ISOS. 📜 🌍 👉 Explore: www.isos.dias.ie/collection/u...

"Check out this month’s LEIGHEAS Project pick: Royal Irish Academy MS 23 F 19! 📜 Featuring an Irish treatise on anatomy, Trotula texts on women’s medicine, & more. Explore on ISOS: www.isos.dias.ie/RIA/RIA_MS_2... 🩺✨ #MedievalMedicine"

1/4📜✨ Exciting new treasures from the Russell Library, Maynooth! Discover manuscripts CF 9, CF 10, & CF 12, courtesy of MU Special Collections & Archives & Lámhscríbhinní Choláiste Cholmáin. Explore these remarkable manuscripts below. @maynoothuni.bsky.social @diasdublin.bsky.social #DIASdiscovers

Dive into MS G 414 from the National Library of Ireland @nlireland.bsky.social on ISOS www.isos.dias.ie/NLI/NLI_MS_G...

📜 Explore the manuscript on ISOS here: www.isos.dias.ie/UCD/UCD_MS_A...