Correspondence (1913–33) with members of the labour movement including Louie Bennett, P.T. Daly, Thomas Farren, Thomas Johnson, but mainly William O’Brien, with reference to contemporary trade union affairs in Ireland. Includes some letters concerning the Lockout (1913) and others to O’Brien awaiting trial in Frongoch Prison, Wales (1916).

Labour Party and trade union pamphlets and printed matter (1913–54).