- The Flag Institute
- www.flaginstitute.org
- Research and documentation centre.
3.8
(si*)
>60
-
4
- North American Vexillological Association (NAVA)
- www.nava.org
- Nonprofit organization dedicated to the promotion of vexillology, the scientific and scholarly study of flag history and symbolism.
3.7
(si*)
>70
<5
4
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