O'Regan, M., & Irish Transport and General Workers' Union. (1924). Letter from Maurice O'Regan, secretary of the Sligo branch, Irish Transport and General Workers' Union, to the Union stationary office requesting a dozen copies of 'The Attempt to Smash the [Irish Transport and General Workers'] Union'.

O'Regan, Maurice, and Irish Transport and General Workers' Union. Letter from Maurice O'Regan, Secretary of the Sligo Branch, Irish Transport and General Workers' Union, to the Union Stationary Office Requesting a Dozen Copies of 'The Attempt to Smash the [Irish Transport and General Workers'] Union'. 1924.