Clasificación de la Biblioteca del CongresoG1037.U56

17th century(44) Africa(126) ancient(119) ancient civilizations(36) Ancient Greece(50) ancient world(42) animals(57) Antarctic(11) anthropology(42) antiquity(80) archaeology(238) around the world(26) art(118) Canada(31) cartography(852) children(115) children's(181) cities(71) classics(61) climate(26) coffee table(46) Crusades(56) culture(86) current events(20) curriculum(24) demographics(17) demography(13) dictionary(40) discovery(13) earth(145) economics(50) economy(27) education(83) educational(29) Egypt(27) elementary(31) empires(13) environment(64) Europe(268) European History(90) exploration(99) Family Room(15) General Reference(28) geography(4,875) geology(66) geopolitics(60) Germany(37) global(25) globalization(37) historical(61) history(5,632) humor(226) informational(49) international(24) international relations(22) jam(16) Judaism(52) juvenile(63) juvenile non-fiction(21) kids(48) map(481) mapmaking(12) maps(4,567) medieval(125) Middle Ages(121) Middle East(43) military(213) military history(366) modern history(49) nature(47) North America(100) Oasis(11) oceans(19) people(27) photographs(29) picture book(76) politics(182) population(29) prehistory(35) reference(5,908) religion(113) resources(30) Roman History(54) school(43) science(270) social studies(275) South America(94) statistics(51) subway(46) timeline(17) topography(43) travel(451) usa(56) Vikings(124) war(164) warfare(51) world(861) world geography(87)