Clasificación de la Biblioteca del CongresoU

18th century(668) 19th century(670) 20th(360) airplanes(372) ancient(678) architecture(789) armor(2,019) arms(445) arms race(146) army(1,157) autobiography(729) aviation(6,214) biography(3,734) biological warfare(173) bombers(401) Britain(882) British(722) British history(418) cia(569) conflict(224) Elite(182) espionage(3,285) Europe(876) European History(744) Firearms(716) Fortress(179) General Military History(248) geopolitics(222) Germany(1,568) Great Britain(516) guerrilla warfare(278) guns(402) history(29,826) History of Warfare(112) Infantry(520) intelligence(1,481) international relations(673) Iraq(442) leadership(720) martial arts(1,558) medieval(1,866) Middle Ages(814) Middle East(919) militarism(237) military(18,939) military history(20,125) military intelligence(226) military strategy(749) Military Studies(174) Military Tactics(141) Military Theory(833) miniatures(212) missiles(110) modern(494) Napoleonic(1,218) nsa(248) nuclear(487) nuclear weapons(1,335) peace(416) planes(248) political science(829) politics(3,693) reference(2,889) rifles(134) Roman History(584) Russia(1,157) science(1,245) security(343) soldiers(326) spy(1,302) Strategic Studies(98) strategy(2,841) Sun Tzu(177) swords(603) tactics(905) uk(567) us(625) usa(2,748) usmc(171) Vietnam(670) war(9,370) warfare(2,706) warrior(212) weapons(3,192)