Filter Results Refine these results by: Category: History World Europe Middle East Social History General History Modern United States Civilization Historical Geography Africa Expeditions & Discoveries Ancient Asia Military Holocaust Medieval African American Essays Native American Russia & the Former Soviet Union Historiography Women Maritime History & Piracy Revolutionary Wars & Conflicts Reference Renaissance Latin America Caribbean & West Indies Americas North America Study & Teaching Jewish Oceania Canada Australia & New Zealand Audio Length Less Than 1 Hour 1 to 3 Hours 3 to 6 Hours 6 to 10 Hours 10 to 20 Hours More than 20 Hours