Filter Results Refine these results by: Category: Social Science Philanthropy & Charity Developing & Emerging Countries Social Classes Poverty & Homelessness General Social Science Disease & Health Issues Children's Studies Human Services Jewish Studies Anthropology Essays Volunteer Work Discrimination & Race Relations Social Classes & Economic Disparity Black Studies (Global) Slavery Audio Length Less Than 1 Hour 1 to 3 Hours 3 to 6 Hours 6 to 10 Hours 10 to 20 Hours