Barker, Gary, 1961- (Nombre personal)

The Afghan vampires book club, 2015: portada (co-author: Gary Barker) prelim. (He is the founder of Promundolives in Washington, D.C. Is the author of Louisa’s Last Words)

Amazon.co.uk, viewed 17 January 2017: about the author page (Gary Barker, born 1961. He is a writer, educational psychologist and human rights activist, and the founder of Promundo. He is the author of Louisa’s Last Words and Mary of Kivu)

La infancia no es riesgo, es oportunidad : fortaleciendo las bases de apoyo familiares y comunitarias para niños y adolescentes, 2006: portada (Gary Barker)