College of Arms - Official repository of the coats of arms and pedigrees of English, Welsh, Northern Irish and Commonwealth families and their descendants.

Flag of the United States of America - Dedicated to the complete history and symbolism of the United States Flag.

Flags - University of Oklahoma-Law Center site with information on state, United States, and territorial flags.

Heraldry Links - Informational links on heraldry, from associations and societies to flags and arms.

World Flag Database - Over 260 pages on countries and international organizations and their flags. Each page contains basic information on the country. The flags include the national and state flags, ensigns, and sub-national flags. Where countries have changed their flags in the last few years the old flag is also shown.