Filter Results Refine these results by: Category: History Military Europe General History Holocaust Wars & Conflicts United States Civilization Maritime History & Piracy Modern Jewish Russia & the Former Soviet Union Asia Social History World Women Native American Africa Middle East Ancient Medieval Latin America Oceania Caribbean & West Indies Australia & New Zealand Renaissance Revolutionary Americas Norman Conquest to Late Medieval (1066-1485) Tudor & Elizabethan Era (1485-1603) African American Polar Regions North America Canada Historiography Essays Expeditions & Discoveries Reference Historical Geography 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