Clasificación de la Biblioteca del CongresoF

17th century(2,282) 18th century(2,706) 19th century(7,090) adventure(2,916) African American(2,874) American(3,845) American Revolution(1,433) American West(6,893) anthropology(5,030) archaeology(5,175) architecture(4,610) Argentina(2,206) art(3,428) autobiography(3,998) Aztecs(2,215) biographies(1,517) biography(27,838) Boston(2,223) California(8,894) Canada(9,840) Canadian(1,841) Canadiana(815) Caribbean(2,515) cemeteries(879) cities(1,380) civil rights(2,843) colonial history(747) Colonial Period(863) cowboys(1,031) culture(3,371) dictatorship(905) exploration(3,843) frontier and pioneer life(890) genealogy(12,745) geography(6,798) guide(2,006) guidebook(4,409) hiking(1,843) history(119,508) immigration(1,663) Iowa(917) Kentucky(1,530) Latin America(7,647) local(919) maps(1,453) Maryland(1,728) Maya(3,065) Mexico(9,932) Michigan(1,796) Midwest(829) military history(1,773) mining(853) Minnesota(1,702) Mississippi(1,028) National Parks(1,371) Native American(1,735) nature(4,926) New Hampshire(882) New Jersey(1,603) New Mexico(3,560) New York(8,532) North America(1,593) Northwest(753) nyc(1,868) Ohio(1,342) Ontario(772) photographs(3,006) photography(10,068) picture book(3,825) pioneer(725) politics(8,800) race(2,246) racism(1,556) reference(5,731) religion(2,911) revolution(1,253) rivers(1,118) slavery(3,141) social history(1,447) social studies(2,380) sociology(2,373) South America(5,329) southern(1,139) southern history(1,246) Southwest(1,750) Tennessee(1,669) Texas(5,696) The West(902) tourism(999) travel(40,467) U.S. History(2,214) us(2,524) usa(15,062) Venezuela(709) Virginia(6,370) Washington(1,367) Washington DC(1,965) Washington State(666) women(2,621)