Hardiman, Niamh (1983) Trade Union Density in the Republic of Ireland, 1960-1979. Irish Business and Administrative Research, 5 (2): 4. pp. 41-46. ISSN 0332-1118
Farrell, David M., Hardiman, Niamh and O’Brennan, John (2021) Ireland and European Governance. In: The Oxford Handbook of Irish Politics. Oxford University Press, pp. 144-160. ISBN 9780191862618