Clasificación de la Biblioteca del CongresoTG72.M54

1860s(5) 1870s(10) 1880s(11) 1930s(8) 19th century(71) 19th century history(5) American(19) archaeology(5) Architects(6) architecture(554) art(43) art history(6) biography(37) bridge(63) bridges(1,079) buildings(22) California(51) Canada(7) children(14) children's(30) cities(15) city(8) civil(34) coffee table(5) community(13) construction(163) culture(5) design(84) engineering(567) England(8) Europe(10) geography(29) geometry(5) graphic novel(6) handbook(8) historical(6) history(800) how things work(6) industrial revolution(7) informational(24) informative(5) innovation(5) juvenile(12) juvenile literature(6) juvenile non-fiction(7) kids(9) local(5) machines(7) math(12) Michigan(14) modern(5) modern history(6) narrative nonfiction(9) New Jersey(11) New York(215) North America(15) Northwest(13) nyc(49) Ohio(5) photographs(22) photography(97) picture book(89) politics(10) Portland(17) reference(44) rivers(13) roads(10) science(135) Scotland(26) social studies(26) standards(7) steel(17) structure(9) technique(5) testing(13) travel(41) U.S. History(15) uk(5) United States History(5) urban(8) us(9) usa(100) vehicles(5) Vermont(9) wind(6) women(5) wood(10) youth(5)