America  search
RTCentral America
 Latin America
 North America
 South America
 West Indies
SNIncludes all of the Americas. Added to Thesaurus in 1981.
American Association of Petroleum Geologists  search
USEAAPG
American Geological Institute  search
USEAGI
American Geophysical Union  search
USEAGU
American Museum of Natural History  search
RTmuseums
 New York
SNIn New York City. Not to be indexed with geography.
American River  search
BTUnited States
 .California
 ..American River
SNCentral California. Joins Sacramento River at Sacramento. Added to Thesaurus in 1985.
American Samoa  search
USESamoa