A collection of ballads, poetry, songs, and a prose tribute (in manuscript and typescript), written in heroic form in honour of Barry from various admirers in Ireland and Britain, including Padraig O'Hegarty, a Republican prisoner in Lincoln prison, England.

Copy book of school notes belonging to Thomas Barry of Tombag (Tombeigh), Co. Carlow (father of Barry) on a wide range of subjects which include biology, physics, geography, astronomy, history, and religious instruction.

Exercise copy book used by Barry covering a range of subjects, including English and History essays. Some of the essays include reference to republican ideals. Topics include revolutions, industrial unrest, and ideals.

Exercise copy book used by Barry covering a range of subjects, including English and History essays. Some of the essays include reference to republican ideals. Includes an essay entitled 'Uses of History': 'The Invader came, and since the people have been forced to adopt foreign customs and submit to the jurisdiction of a nation which were savage, when the Irish were civilized'.

Exercise copy book used by Barry covering a range of subjects, including English and History essays. Some of the essays include reference to republican ideals. Includes statement 'Up the Republic' written several times on a Latin exercise and cartoon drawings of 'Kathy when she's 50' and 'Sheila when she's 48' [Barry's sisters?].

A collection of material relating to Kevin Barry, who was executed for his part in the killing of three British soldiers in 1920. The collection includes material associated with his days at Belvedere College, his year as a medical student in UCD, and his brief time in custody at Mountjoy Prison before execution. The majority of the collection is composed of material gathered by Kathy Barry Maloney, Barry's sister, after his death.