File of manuscript and typescript letters both to and from Michael Rynne following his retirement as Irish Ambassador to Spain. Rynne is now based back in Dublin. Letters include to Rynne from the Irish Consul in Barcelona, regarding an illuminated manuscript, the "Ultonia" manuscript (Fen 1964); Letter from Marie O'Kelly, Personal Secretary to the President of Ireland, Éamon de Valera, thanking Rynne for lending him a photograph of "an interesting event" taken in 1921 and "for helping him to recall and reconstruct the happenings of the morning of the 6th December, 1921. (at Strand House, Limerick) (20-25 Sep 1963); Letter from Rynne to Thomas P. Glynn, Co-Ordinating Officer, Hotel Services, Bórd Fáilte Éireann, Dublin, discussing tourism development and hotels in Ireland. (20 Sep 1963)

File of manuscript and typescript letters both to and from Michael Rynne in his capacity of Irish Ambassador to Spain. Letters include from Rynne to Jack Molloy, Assistant Secretary, Department of External Affairs, Dublin, regarding notes from discussions regarding the abolition of visas for travel between Spain and Ireland (18 Apr 1959); Letters between Rynne and Con Cremin, Department of External Affairs, discussing particulars of Rynne's discussed retirement from Madrid (Nov 1960); Further correspondence between Rynne and Cremin discussing terms and timing of Rynne's retirement and other Department work of External Affairs.

File of manuscript and typescript letters both to and from Michael Rynne in his capacity of Irish Ambassador to Spain. Letters largely between Michael Rynne and Con Cremin of the Department of External Affairs, Dublin. The letters discuss the structure, work and roles of the Department and its various positions; Letter from Sean T. Ó Ceallaigh, President of Ireland, Dec 1957; Letters between Rynne and William E. Kerrish, regarding his speaking engagements entitled "Religion in Action in an Atomic Age", an address for parish societies, clubs, forums and fraternal organizations (Nov 1957); Letters between Rynne and Dr. Paul O'Higgins, Cambridge University regarding international law. (1958)

File of manuscript and typescript letters both to and from Michael Rynne in his capacity of Irish Ambassador to Spain. Letters are between Rynne and Sean Murphy, Secretary, Department of External Affairs, Dublin (Discussing his previous appointment of Legal Advisory at the Department and detailed discussion around the terms of his appointment as well as of Rynne's work within the Department in terms of Irish international relations. ([2] Jun 1955); Sean T. Ó Ceallaigh, President of Ireland, 12 Dec 1956); Eamon De Valera, Dáil Éireann, thanking Rynne on the sympathies expressed at the passing of Kathleen O'Connell. De Valera pays special tribute to the role played by O'Connell and the role she played in Irish history (20 Apr 1956); Letter to Rynne informing him that the Government has nominated him as Ambassador to Canada (30 Jun 1956); Letter from Rynne to Liam Cosgrave, T.D., Minister for External Affairs, turning down Cosgrave's offer of a move to Ottawa, a post of importance to Ireland'" (4 Jul 1956); and other letters between Murphy and Rynne discussing Irish international affairs.

Series of letters from Henry F. Stock from various family members as well as friends and acquaintances.

File of MS and TS letters from Rev. Daniel Lyons, S.J. at University of Seattle, to Michael Rynne. Includes TS carbon copy of document, a resolution "Ireland as 51st Sovereign State" (of the United States), which Lyons adds was passed "unanimously by the House of Representatives in the State of Washington". Also includes a TS copy of letter outlining plans for the Resolution sent by Lyons to "twelve Irish Newspapers - Every newspaper in Southern Ireland."

File of postcards, with images from a number of international locations, with manuscript correspondence sent to Macnas team members from friends and colleagues of Macnas team members.

Files of manuscript and typescript correspondence sent to individuals at the Northern Ireland Civil Rights Association and to the body as a whole, from various individuals.

Group of letters between Kevin Boyle and various Irish and International groups/bodies following Bloody Sunday in Derry, January 1972

File of manuscript and typescript letters between Kevin Boyle and others regarding issue of internment and the Special Powers Act, security in Northern Ireland and other such matters. File includes letter from H. Moore, of the Irish Communist Party (I.C.P) to Boyle and J. Narain enclosing a letter of response from the I.C.P regarding comments made by Boyle and Narain in the Belfast Telegraph (Nov 1961)
A note sent to Boyle care of the N.I.C.R.A. members of the Annual International Cultural Congress of [Chianciano] Italy condemning the practice of Internment in Northern Ireland; letter from R. Ramsey, Principal Private Secretary, Stormont Castle, acknowledging receipt of letter from Kevin Boyle. TS letter marked 'Personal' from Kevin Boyle to Mr. David Nelligan, Department of Foreign Affairs, Dublin, detailing "in the light of the upcoming talks in London", Boyle's opinions and thoughts on security in Northern Ireland, extradition, sentencing and policing in the face of counter-terrorism in Northern Ireland, references the Warrenpoint explosion, references proposal he makes on extraterritorial jurisdiction legislation and the "new EEC agreement on Terrorism' as well as other related matters. (1 Sep 1979)
Letter from Patrick Joseph (P.J.) McClean, Beragh, Co. Tyrone, writing to Boyle following McClean's release from Long Kesh. McClean was interned under the Special Powers Act, and offers personal thoughts on the ongoing policy of Internment in Northern Ireland and conditions experienced there at the present. (n.d. [1972]);
Letter from the Newry Anti-Internment Committee, inviting Boyle to be a speaker at an upcoming public Study Session on Internment in Newry. Notice of said public event is attached. (6 Nov 1973)
Copy letter signed by J Mulvenna and sent to 'Mr. Boyle, from the Northern Ireland Community Relations Commission, Belfast, concerning an upcoming meeting of those concerned with the Ballymurphy Report. (28 Jan 1971).
Also handwritten page of notes by Boyle mentioning internment in Northern Ireland. (No Date).