eHow.com - Good table manners; this article explains, in a straightforward manner, how to fit in at a polite dinner by using utensils correctly and eating properly.
The Emily Post Institute - Provides advice, books, articles, seminars, and discussions on etiquette for the way we live today.
Emily Post's Etiquette, 1922 - Bartleby.com's online republication of the 1922 edition of Emily Post's 627-page first edition "Etiquette in Society, in Business, in Politics and at Home."
Etiquette Hell - Not only does this site tell you what to do in a given situation, it also includes horror stories of how it was done badly.
Etiquette Knowledge Base - Common questions and answers about table and dining manners, social graces, and business etiquette.
EtiquetteGrrls.com - Includes advice column, letters, information about their book, profile, rhetorical questions and links.