Antigay Bias -- See Homophobia Here are entered works on active discrimination against, or aversion to, homosexuals by heterosexuals. Works on prejudicial attitudes or assumptions held by heterosexuals concerning homosexuals or homosexuality as well as works on the presumption that everyone is heterosexual and that heterosexuality is the only normal sexual orientation are entered under Heterosexism.
Antigravity -- See Also Gravitation Here are entered theoretical works on the phenomenon of gravitation, i.e. the attraction between masses anywhere in the universe, and on determinations of the constant of gravitation. Works relating to measurement of the resultant effect of the gravitational attraction and centrifugal repulsion between any body and a planet or other celestial body, including works on earth's gravity are entered under the heading Gravity.
Antiheroes -- See Also Heroes Here are entered works about real people who are admired for their achievements, courage, or noble qualities. Works about fictional heroes who possess abilities beyond those of normal human beings are entered under Superheroes.
Antiimperialist Movements -- See Anti-imperialist movements Here are entered works discussing collectively organizations and movements, whose stated purpose is to work against what they regard as imperialism, i.e. the policy or practice of a country extending power over other states or areas of the world, often by annexing territory.
Antilles -- See West Indies Here are entered works on the extended archipelago that separates the Caribbean Sea from the rest of the Atlantic Ocean, and consists of the Bahamas and the Greater and Lesser Antilles.