Clasificación de la Biblioteca del CongresoD570.9

1900s(92) 1910s(328) 1914-1918(346) 20th(212) 20th Century American History(41) Africa(260) American(197) American Military History(48) army(210) Australian(139) Australian history(149) Austria-Hungary(140) autobiography(738) aviation(1,072) battle(107) battles(139) biography(2,980) Britain(554) British(399) British history(667) Canada(344) diary(200) early 20th century(61) England(438) English History(152) espionage(214) Europe(1,618) European(88) European History(2,274) Germany(1,782) Great Britain(415) history(23,475) home front(54) Infantry(287) intelligence(90) international relations(157) interwar(74) Italy(226) Lawrence of Arabia(838) letters(234) literature(298) maritime(133) maritime history(105) Middle East(1,248) military(3,944) military history(7,503) modern(198) modern history(483) naval(590) Ottoman(55) Ottoman Empire(276) pamphlet(113) personal narratives(102) photographs(106) photography(282) politics(554) prisoners of war(50) reference(267) Russia(456) ships(116) social history(200) soldiers(211) submarines(277) trench warfare(165) trenches(54) Turkey(317) U-Boats(85) uk(329) us(221) usa(644) war(3,922) war history(113) warfare(269) wars(72) women(243) world(140) World War(230) World Wars(40)