"Comprehensive guide to the history, uses, related scientific principles, and technology of espionage and intelligence, written by experts in the field...

Contains about 250 entries covering important historical figures; key battles, legislation, and rulings; honors awarded; regiments, formations, and squadrons; and significant places...

Contains entries on the "most significant individuals, events, weapons, industries, strategies, and tactics of the roughly 200-year history of international airpower...

Contains "approximately 220 articles, organized thematically for easy browsability, provide a wealth of reference and historical information on the battlefield and homefront experience and the political, economic, social, and cultural life of the North and South during the War...

"Covers major American conflicts from the Colonial Wars through the War on Terrorism in the context of cultural and social events and conditions on the home front...

Contains entries on the major persons and events involving military engagements in Afghanistan from the 18th century to the beginning of the 21 century...

Contains entries on people, events, places, political parties, treaties and agreements, the origins of the conflict, and the involvement of the superpowers, China, and the United Nations...

Contains entries that cover the major clashes between American Indian tribes and Euro-American settlers from the arrival of Columbus to the Battle of Wounded Knee, centered mainly within the geographical area that now comprises the contiguous United States...

Contains nearly 300 entries that survey the history of prisoners of war and interned civilians from the earliest times to the present, with emphasis on the 19th and 20th centuries...

Contains entries which provide "historical and cross-cultural information that will help readers understand war and other forms of political violence in the major religions of the world...

Contains "more than nine hundred articles that together reveal the full richness of this complex event...

Contains entries on the war's origins, military strategy and tactics, main battles and sieges, major political and military figures, weaponry, and other related topics...

Contains entries which provide an overview of key events, and an extensive bibliography of titles in both English and Spanish guides readers in further explorations...

Contains entries on all aspects of the 1991 Persian Gulf War, including a collection of primary source documents...

Contains entries on the principal battles and campaigns, key military and political figures, and the political maneuvering during the Spanish-American and Philippine-American Wars...

Contains around 500 entries, including many biographical sketches, relating to the War of 1812...

Contains more than 275 articles on the military, political and socioeconomic aspects of the conflict in 15th century england between supporters of the House of York and supporters of the House of Lancaster...

Contains lengthy discussions, arranged in chronological orders, of wars in American history from 1621 to the present, including the War on Terrorism...

Contains lengthy entries on major wars or periods of warfare in world history...

Contains more than 1200 entries one every aspect of ground warfare throughout history, along with drawings, photos, maps, a glossary and list of acronyms...

Full text access to the Oxford Essential Dictionary of the United States Military, an essential reference work in military history, published by the Oxford Unviersity Press...

Contains more than 1,500 entries covering every aspect of naval history (from the ancient world to the present) along with maps, photographs, diagrams, charts, etc...

Contains more than 1000 entries on all aspects of United States military history, ranging from brief factual articles to substantial essays...

Contains more than 1400 entries on military history from classical times to the present...

Contains more than 1800 entries covering every aspect of the war "including, detailed surveys of major countries; politics and grand strategy; domestic and economic issues; resistance and intelligence services; campaigns, battles, and military operations; warfare and weapons; wartime leaders and influential people; and slogans and phrases...

Guide to American military terms, people, and battles from the earliest colonial conflicts to the present...

Contains entries which deal "with the experiences of women in traditional wars between territorially based armies, but it also approaches war in a much broader sense...

"This encyclopedia treats the causes, course, and effects of World War I...

Contains 950 entries, including biographies of individuals, studies of battles, details of weapons systems, and analyses of wartime conferences...