Filter Results Refine these results by: Category: History Civilization World Historical Geography Modern Latin America Expeditions & Discoveries Renaissance General History Social History Military Europe Holocaust Jewish Russia & the Former Soviet Union Ancient Essays Native American Asia Historiography Reference Women Middle East Medieval Maritime History & Piracy United States Africa North America 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