Barker, Gary (2018), Masculine Norms and Violence: Making the Connections, Washington, DC, USA: Promundo-US

Barker, Gary (2018), The Man Box: A Study on Being a Young Man in the US, UK, and Mexico, Washington, DC and London: Promundo-US and Unilever

Barker, Gary (2017), Understanding Masculinities: Results from the International Men and Gender Equality Survey (IMAGES) - Middle East and North Africa, Washington, DC, USA and Cairo, Egypt: Promundo-US

Barker, Gary (2016), State of America's Fathers: A MenCare Advocacy Publication, Washington, DC: Promundo-US: Center for the Study of Men and Masculinities at Stony Brook University / Center for Research on Fathers, Children and Family Well-Being at Columbia University / Families and Work Institute / National Partnership for Women & Families / University of Maryl

Barker, Gary (2016), This isn't the life for you: Masculinities and nonviolence in Rio de Janeiro, Brazil. Results from the International Men and Gender Equality Survey (IMAGES) with a focus on urban violence,, Washington, DC and Rio de Janeiro, Brazil: Promundo: .

Slegh, Henny; Jansen, Angela; Barker, Gary; Doyle, Kate (2015), A Study of Gender, Masculinities and Reintegration of Former Combatants in Rwanda: Results from the International Men and Gender Equality Survey (IMAGES), Washington DC: A Study of Gender, Masculinities and Reintegration of Former Combatants in Rwanda: Results from the International Men and Gender Equality Survey (IMAGES)

Levtov, Ruti; van der Gaag, Nikki; Kaufman, Michael; Barker, Gary (2015), State of the World's Fathers: A MenCare Advocacy Publication. , Washington DC: Promundo, Sonke, Rutgers and MenEngage Alliance

Barker, Gary (2014), Gender Relations, Sexual and Gender-Based Violence and the Effects of Conflict on Women and Men in North Kivu, Democratic Republic of Congo: Results from the International Men and Gender Equality Survey (IMAGES)., Promundo-US / Sonke Gender Justice: Promundo-US / Sonke Gender Justice

Barker, Gary; Pawlak, Piotr (2014), Understanding Young Men and Masculinities in the Balkans: Implications for Health, Development, and Peace, Washington DC: Promundo, Young Men Initiative and Care

Barker, Gary; Contreras, M., Heilman, B., Singh, A., Verma, R., Bloomfield, J. (2012), Bridges to Adulthood: Understanding the Lifelong Influence of Men's Childhood Experiences of Violence: Analyzing Data from the International Men and Gender Equality Survey." , Washington, D.C. and Rio de Janeiro: International Center for Research on Women (ICRW) and Instituto Promundo

Barker, Gary; Greene, M., Nascimento, M., Segundo, M., Ricardo, C., Taylor, A., Aguayo, F., Sadler, M., Das, A., Singh, S., Figueroa, J. G., Franzoni, J., Flores, N., Jewkes, R., Morrell, R. and Kato, J. (2012), Men Who Care: A Multi-Country Qualitative Study of Men in Non- Traditional Caregiving Roles, Washington, D.C. and Rio de Janeiro: International Center for Research on Women (ICRW) and Instituto Promundo

Barker, Gary; Juan Manuel Contreras, Brian Heilman, Ajay Singh, Ravi Verma and Marcos Nascimento. (2011), Evolving Men: Initial Results from the International Men and Gender Equality Survey (IMAGES)", Washington, DC and Rio de Janeiro: ICRW and Instituto Promundo

Barker, Gary; E Weiss and O Stern (2010), Engaging Men to Prevent and Mitigate Gender-Based Violence in Post-Conflict Settings in Sub-Saharan Africa, Washington D.C. : World Bank.

Barker, Gary; Margaret E. Greene, Eve Goldstein Siegel, Marcos Nascimento, Márcio Segundo, Christine Ricardo, Juan Guillermo Figueroa, Josefina Franzoni, Jean Redpath, Robert Morrell, Rachel Jewkes, Dean Peacock, Francisco Aguayo, Michelle Sadler, Abhijit Das, Satish (2010), What Men Have to Do with it: Public Policies to Achieve Gender Equality, Washington DC and Rio de Janeiro: ICRW and Promundo

Barker, Gary; Christine Ricardo and Marcos Nascimento. (2007), Engaging Men and Boys in Changing Gender-based Inequity in Health: Evidence from Programme Interventions, .: World Health Organization and Promundo

Barker, Gary (2005), Young Men and the Construction of Masculinity in sub-Saharan Africa: Implications for HIV/AIDS, Conflict and Violence, Washington D.C.: World Bank, Paper No. 26, June

Barker, Gary; Acosta, Fernando (2002), Men, Sexual and Reproductive Health and Gender-Based Violence: A Study of Men in Rio de Janeiro" (Research report on survey carried out with men on use of violence against women) , Rio de Janeiro: Instituto PROMUNDO and Instituto NOOS

Barker, Gary (2000), What about Boys? A Literature Review on the Health and Development of Adolescent Boys, Geneva: World Health Organization

Barker, Gary; Fontes, Miguel (1996), Review and Analysis of International Experience with Programs Targeted on At-Risk Youth, Washington D.C.: World Bank