@article{article, title = {{Protestant Challenges to the 'Protestant State': Ulster Unionism and Independent Unionism in Northern Ireland, 1921-1939}}, publisher = {{Oxford University Press (OUP)}}, url = {{}}, year = {{2008}}, month = {{10}}, author = {{Reid C}}, doi = {{10.1093/tcbh/hwn022}}, volume = {{19}}, journal = {{Twentieth Century British History}}, issue = {{4}}, pages = {{419-445}}, note = {{Accessed on 2024/12/29}}}