1. Small Differences: Irish Catholics and Irish Protestants, 1815–1922;Akenson,1988
2. Segregation;Boal,1987
3. Protestants antisocial Change in the Belfast Area: A Socio-Geographical Study;Boal;Research Report to the Economic and Social Research Council, Ref. No. G0023/0025,1985
4. The Protestant mosaic: a majority of minorities;Boal,1991
5. Them and Us? Attitudinal Variation Among Belfast Churchgoers;Boal,1997