Cullen, Barry (2012) Happy parent initiative: (HP1) a review report. Dublin: Blue Drum and the Family Support Agency.

Cullen, Barry and Manning, Monica (2012) Needs analysis and review of drug free support initiative. Dublin: Canal Communities Local Drugs Task Force.

Cullen, Barry (2011) Treating alcohol-related problems within the Irish healthcare system, 1986–2007: an embedded disease model of treatment? Drugs: Education Prevention and Policy, 18, (4), pp. 251-260.

Cullen, Barry (2006) Report to Health Services Executive Regional Drug Coordinating Office (Waterford) on recommendations for developing adolescent substance misuse treatment services in the region. Dublin: Trinity College Dublin, Addiction Research Centre.

Cullen, Barry (2005) Report on developing an operational plan for drug and alcohol services in the South East Region. Dublin: Trinity College Dublin, Addiction Research Centre.

Cullen, Barry (2003) Community and drugs: a discussion of the context and consequences of community drug problems in Ireland (summary paper 1). Dublin: Trinity College Dublin, Addiction Research Centre.

Cullen, Barry (2003) Community and drugs: a discussion of the context and consequences of community drug problems in Ireland, 1976-2001. Dublin: Trinity College Dublin, Addiction Research Centre.

Cullen, Barry and Cox, Gemma (2003) Tallaght Rehabilitation Project (TRP): a review report. Dublin: Trinity College Dublin, Addiction Research Centre.

Cullen, Barry (1998) Young Irish drug users and their communities. In: Young People and Drugs: Critical Issues for Policy, 22 November 1997, Trinity College Dublin.

Cullen, Barry (1998) Young People & Drugs : Critical Issues for Policy : proceedings of a half day seminar held November 22, 1997 Trinity College Dublin. Dublin: Children's Research Centre.

Cullen, Barry (1997) Educational support project (ESP) review report. Dublin: The Children's Centre, Trinity College Dublin.

Cullen, Barry (1994) Community drug treatment: an untried response to drug problems in Dublin. Irish Social Worker, 12, (2), pp. 16-18.

Cullen, Barry (1991) Community and drugs: a case study in community conflict in an inner city community in Dublin. Masters thesis, Trinity College Dublin.

Cullen, Barry (1990) Community action in the eighties a case study. In: Community work in Ireland: trends in the 80's, options for the 90's. Dublin: Combat Poverty Agency. pp. 271-294.

Cullen, Barry, ed. (1983) Fighting back. Dublin: St. Teresa's Gardens Development Committee.