Handwritten letter to Tim from Diarmuid O'Brien enclosing two photocopied aerial photographs of Inis Oírr, and asking for clarification relating to them. (23 Oct 1977).

Handwritten letter to Tim from Bríd Ó hEithir of Inis Oírr who has asked the local school children about some of the names of the sub-divisions on Inis Oírr. She encloses her information. (8 Feb 1980).

Letter from R Miller, Registrar of the Commissioners of Irish Lights clarifying the Service's spelling of the placename as Inisheer. (3 Mar 1980).

Handwritten letter to Tim from Mairéad Póil, enclosing a photocopied list of information on Inis Oírr placenames derived from local school children. The list is in Irish and is titled 'Logainmneacha Inis Oírr, Garranta, Buailteacha agus Craga'. (9 Dec 1986). A printed copy of the 1980 map of Aran, incorporating Póil's information on Inis Oírr coastal names.

Handwritten letter to Tim from Dónall [ ] of OS Office. The subject of the letter is the modern spelling of Inis Oírr. (22 Mar 1991).

Series of correspondence between Tim and Éamon Ó Tuathail containing a lively and detailed exchange of notes on placenames, Eoghanacht and Inis Oírr are discussed in notable detail, also the correct names of the currachmen who drowned off Mainistir c. 1907. Copies of some of the letters Tim wrote in response. (24 Feb 1992 - 19 Mar 1993).

Photocopied article from Éigse 1993, 'An t-Ainm Áite Inis Oírr'.

An offprint of Tomás Ó Broin's 'Inis Thiar: Naming and Misnaming', which was published in 1999 in the JGAHS. Accompanied by a letter from Professor Ó Broin, and a copy of Tim's reponse, in which they discuss the name Inis Oírr. (1999)

Typed list entitled 'Copy of Bualite Baile' that gives an ID, fields, their townland, and who owns them. Pagination begins at p 21. (8 Nov 2006).

Set of index cards describing the townland of Inis Treabhair, [Inishtravin]. A note on the Inishtrawer National School, which opened in 1900, and closed in May 1980. Detailed note on the variation of the English spelling of the townland. Descriptions are given of the following local features: Oileán Geabhróg, An tóileán ó thuaidh, an caladh ó thuaidh, caladh na Sliogán, Crompán Mór, Caladh Mhaidhc, An Mullán Liath, An Bóthar ó Thuaidh, An Caladh ó Dheas, An tOileán Domhain, Beitheach Mín, An tOileán Garbh, Oileán na Circe, An Portach Mór, the children's burial ground, Carraig na nÉan, a note of the surnames of residents of the island in the 19th and early 20th centuries, Carraig Éamainn, Daingean, a note about the local national school and its pupil numbers, Beitheach Garbh, Cora Bháin, Cora Chatháin, Cora Réamoinn, Cora Bhall, Caladh na mBruaichíní, Bun na Lathaí, An Chéibh Nua, An Screigín, Caladh Laoí, Cora Mhín, An Cora Mór, Cora Ghairbh, and An Caladh Mór. Local man Pádraig Ó'Loidean, and Mícheál Ó'Conghaile via letter are credited as providing some of the local information.

Sketches of stone carvings made by Etienne Rynne at Inish MacDara.

File of manuscript notes by Etienne Rynne made on research on Inish Mór and Dún Aengus.

File of MS and TS correspondence to Etienne Rynne, also with some outward correspondence from Rynne, to various people and organisations, regarding Dún Aengus and Inish Mór. Includes letter between Rynne and Anthony Farrell of Lilliput Press, Dublin, re. publication of a chapter by Rynne on Dún Aengus (1991); Abbey Tipton of National Geographic Magazine (1996); The Society of Antiquaries, London (1991 - 1992); Letters to The Galway Advertiser and The Irish Times where Rynne responds and argues the recent press coverage regarding new archaeological claims regarding the use and function of Dún Aengus for ceremonial or military/defence means (1994); letter with attached article from Pat Sheeran (1991), and other related letters regarding Dún Aengus.

Series of notes about the local features of Inishbofin, [Inis Bó Finne]. A note on the the ownership of Inishbofin, from the Earl of Clanrickard, to the Brownes of Westport, to the Englishman Cyril Allies. A note on how Inishbofin fared during the Cromwellian invasion. Extracts from various sources including the 1st Report of the Fisheries Commission, Griffith's Valuation, and census returns. Kevin Whelan of UCD is credited as being a local source of information.

Series of index cards relating to the Parish (island) of Inishbofin (Inis Bó Finne).

Overview list of the following townlands within the Parish of Inishbofin [Inis Bó Finne].

Inishshark [Inis Airc], Inishbofin [Inis Bó Finne], Westquarter [An Cheathrú Iarthach], Middlequarter [An Cheathrú Láir], Fawnmore [An Fán Mór], Cloonamore [Cluanach Mhór], and Knock [An Cnoc].

File of materials relating to the archaeology of Inishowen, Co. Donegal. Includes correspondence between Etienne Rynne and Mabel Calhoun, Londonderry, who carried out fieldwork and investigations at Inishowen, Co. Donegal; T.L. Roulston, Londonderry County Borough Education Authority; Joe Fry, Queen's University Belfast, with detailed discussions on local archaeological and topographical history of Inishowen. Includes copy of report "Inishowen: An Archaeological Field Survey based on 6 inch O.S. Maps, Co. Donegal Sheet 10" by Mabel Calhoun.

Series of notes about the local features of Inishshark, [Inis Airc]. Some notes speculating on the origin of the the placename. A note on Teampaill Leo, which forms part of the existing church there. Leaba Leo, Clochán Leo, Carraig Fhada, Fó na Muice, Fó Mhathair, Fó Mhuire, Uaim na mban, Leacach, Dúinínm Fuaigh Leo, Fó na Móna, Fó Nainsí, St. Leo's Flag. Fuach an Chlochán, Cnoc Leo, Bulán Stone, Carraig Bhuí, St. Leo's Roman Catholic Chapel, the Port, a tower like rock known locally as Buachaill, Fó na gCailleach, Aill na nGall, Fó Chapaill, Leic na mBan, Fó na gColm, Kimmeen Rocks, Leic an Tairbh, Fóinín na Seabhac, Dobhar an Mhuilinn, Poll Eoin, Shark Head, Cailín, Dobhar an Mhuilinn, Blind Sound, Aill an Oileáin Bhuí, Aill na gCloch Bhuí, Uaig Turrin, Fó na Cara, Fó na bhFiach, Fó na Mada, Bearna Bhuí, Aill an Ghabhair, Forman Diocair, Fó Mhaide, The Stacaí, Aill an Chlaí, Inis Scine Mór, Aill na nUibheacha, Clochán Leo, Poll an tSéidte, Fó Bhilín, Fó na hAille, Fó Bháid, Buachaill Beag, Scailp na bhFaoileán, Fó an Murbháite, Fó an Ghiona, Fó Mhíl Mhóir, Inis Goirt, Fó Bhrislí, Cromaill, Braonach, Fó na Cromleice, Fó Duilsc, and Fuaigh Tairbh.