Letter from Gerard Anthony Hayes-McCoy, 32, Whitebeam Road, Clonskea, Dublin, to Florence O'Donoghue, regarding a review written by O'Donoghue which Hayes-McCoy "admire[s] greatly", 1949 Aug. 25.

Letter from Gerard Anthony Hayes-McCoy to Florence O'Donoghue praising the script for O'Donoghue's lecture, 1955 [Dec.].

Typescript letter from Gerard Anthony Hayes-McCoy, on behalf of the Advisory Committee of the Bureau of Military History, to Florence O'Donoghue, with a draft resolution regarding the closing of the Bureau, 1956 Feb. 28.

Letter from Gerard Anthony Hayes-McCoy to Florence O'Donoghue regarding a deal by Mercier Press and Radio Éireann to publish O'Donoghue's lecture on the Easter Rising along with the rest of the Thomas Lecture Series, 1963 May 24.

Letter from Gerard Anthony Hayes-McCoy, 32, Whitebeam Road, Clonskea, Dublin, to Florence O'Donoghue, thanking him for his stay with O'Donoghue's family in Cork, mentioning a statue in Galway, and informing him that he has received McDunphy's statement and met Moody, 1949 March 30.

Letter from Gerard Anthony Hayes-McCoy to Florence O'Donoghue regarding a review of his book on Tomás MacCurtain, and regarding "the 1916 Limerick documents" and other matters, 1959 Feb. 26.

Report from Gerard Anthony Hayes-McCoy and Robert Dudley Edwards, members of the sub-committee of the Advisory Committee of the Bureau of Military History appointed on 14 June, with appendix on indexing, 1951 June 25.

Letter from Gerard Anthony Hayes-McCoy, Museum, Dublin, to Florence O'Donoghue, asking him for transport to see a number of named individuals in Cork, Friday [1949 March].

Sixteenth century swords found in Ireland /

L'Irlande militante /

Irish battles :

a military history of Ireland /

Letter from Gerard Anthony Hayes-McCoy to Florence O'Donoghue regarding sending the scripts to Radio Éireann, and suggesting amendments to O'Donoghue's lecture, 1955 Oct. 19.

Letter from Gerard Anthony Hayes-McCoy, 32, Whitebeam Road, Clonskea, Dublin, to Florence O'Donoghue, regarding a paper written by O'Donoghue which he has not read yet and a meeting of the Advisory Committee, 1950 July 10.

Captain Myles Walter Keogh :

United States Army 1840-1876 : O'Donnell lecture delivered at University College Galway on October 19, 1965 /

Index to The Compossicion booke of Conought, 1585 / prepared by G.A. Hayes-McCoy.

Letter from Gerard Anthony Hayes-McCoy, 32, Whitebeam Road, Clonskea, Dublin, to Florence O'Donoghue, regarding a meeting of the Military History Society at which Petrie and General Costello will be present, 1949 Aug. 25.

Postcard from Gerard Anthony Hayes-McCoy to Florence O'Donoghue regarding alterations to the draft of O'Donoghue's lecture on the Easter Rising, 1956 Mar. 16.

Letter from Gerard Anthony Hayes-McCoy, 4 Richview Villas, Clonskea, Dublin, informing him of his activities and stating that the Irish Committee of Historical Sciences has appointed a sub-committee to reopen the question of the records of the Bureau of Military History, [1960] June 1.

Typescript letter from Gerard Anthony Hayes-McCoy to Florence O'Donoghue, Loch Léin, Eglantine Park, Douglas Road, Cork, regarding pictures the Museum might be able to supply, 1956 July 21.

Correspondence from G. A. Hayes-McCoy, Radio Éireann, to Florence O'Donoghue regarding arrangments for recording and publication of O'Donoghue's Thomas Davis lecture ‘Easter Week 1916’, 1955 Jun. 14-1964 Sept. 4.