The Flag Institute
- World's leading research and documentation centre for flags and flag information.
- http://www.flaginstitute.org/

Flags of the World
- Very large noncommercial source on vexillology. Searchable database, glossary, bibliography, and related links.
- http://www.crwflags.com/fotw/flags/

Flags Of The Confederacy (FOTC)
- Devoted to Confederate vexillology. Read about the numerous flags of the government and armed forces of the Confederate States of America, and view many images of those flags. The site is fed with news and images posted by a team of vexillologists who spe
- http://home.att.net/~dcannon.tenn/fotc.html

North American Vexillological Association (NAVA)
- Nonprofit organization dedicated to the promotion of vexillology, the scientific and scholarly study of flag history and symbolism.
- http://www.nava.org

New England Vexilloligical Association
- Dedicated to the scholarly pursuit of flag research between local vexillologists at Washington, Maine.
- http://www.midcoast.com/~martucci/neva/