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