Academic Search Premier--start searching here, this is a great general database.
America: History and Life--articles about the history of rednecks as a social class in the south.
Communication & Mass Media Complete --articles about the redneck icon in media (advertising, film, TV, etc.)
Communication Studies: A SAGE Full-Text Collection--more articles about the redneck icon in media.
Gender
Watch--gender implications of the redneck stereotype.
JSTOR--good for rednecks in history and politics.