Material relating to Fr Leonard Gallagher SJ and his brother, Frank Gallagher. Includes Frank's anti-treaty material, material relating to the Irish civil war, letters from Frank to Fr Leonard from Gormanstown Internment Camp (17 January - 4 August 1923, 9 items) and letter from Joseph Cripps to Fr Leonard from Gormanstown Internment Camp (30 August 1923, 1p). Includes some biographical information on Fr Leonard Gallagher SJ.

• brief details of Patrick O'Reilly and Michael Fitzgerlad, Youghal, County Cork who were arrested on possession of Arms and Ammunition at Ballinaclash, Clashmore, County Waterford;
• typed correspondence and accounts relating to anti-treaty publicity (1922-1923);