Klassifikation der Library of Congress [LCC] (USA)TA1215.L47

airplane(5) airplanes(18) animals(6) architecture(8) around the world(16) art(5) automobiles(6) big book(24) boat(6) boats(33) Boston(7) business(60) Canada(6) capitalism(5) cars(51) children(20) children's(22) children's literature(7) city life(6) community(8) culture(25) cycling(10) design(10) diversity(17) economic history(13) economics(84) economy(8) engineering(13) geography(17) globalization(28) Grade 2(11) green(5) history(117) informational(24) innovation(9) London Underground(5) machines(9) multicultural(50) museums(11) people(5) photographs(7) photography(7) picture book(50) planes(24) planning(7) preschool(5) reference(8) science(40) shipping(38) ships(10) social studies(38) trade(18) trains(32) travel(46) trucks(31) usa(7) vehicles(56) world(18)