O'Brien, W., & Dublin United Trades and Labour Council. (1918). Typescript circular letter from William O'Brien to the Secretary of each affiliated Union informing them of a mass meeting to inaugurate an electoral campaign due to the decision of the Conference to contest four of the city divisions at the upcoming General Election.

O'Brien, William, and Dublin United Trades and Labour Council. Typescript Circular Letter from William O'Brien to the Secretary of Each Affiliated Union Informing Them of a Mass Meeting to Inaugurate an Electoral Campaign Due to the Decision of the Conference to Contest Four of the City Divisions at the Upcoming General Election. 1918.