Classificação da Biblioteca do Congresso dos EUA (LCC)HD9581.U5

19th century(77) Africa(124) Australian history(20) big business(6) biography(400) Bolivia(43) business(523) Canada(68) capitalism(54) climate change(46) collapse(12) colonialism(18) commerce(24) conservation(43) corporations(32) corruption(50) current events(81) development(17) Devon(11) dictatorship(12) ds(10) ecology(58) economic history(82) economics(595) economy(68) energy(540) environment(212) environmental(13) environmentalism(29) Europe(39) European History(40) finance(82) financial(19) fraud(17) gas(34) geology(54) geopolitics(99) Germany(124) glass(23) global warming(15) globalization(34) gold(27) government(23) history(1,733) imperialism(20) industrial revolution(16) industrialization(16) industry(121) international politics(12) international relations(43) investing(23) Iraq(22) labor(30) labor history(11) manufacturing(23) Mexico(25) Michigan(20) Middle East(234) military history(43) mining(326) modern history(23) monopolies(8) natural resources(18) oil(1,000) peak oil(149) policy(15) Political aspects(36) political economy(45) political science(82) politics(588) resources(27) Russia(85) science(82) social history(22) society(27) sociology(36) steel(56) sustainability(58) Texas(81) trade(26) usa(284) Venezuela(38) war(57) wealth(16) world politics(20)