Publications by Marc Sommers Click on any of the publications below to find out more about them, or to purchase PDF copies. Urbanization, Pentecostalism, and Refugee Youth in Africa, WP 231, by Marc Sommers, (2000) The Mending of Hearts: Conflict Resolution And Reconciliation Activities Among Rwandan Refugee Religious Groups in Ngara District, Tanzania (A Preliminary Field Report), WP 207, by Marc Sommers, (1996)