Collecting Clubs and Associations: Nippon

The Texas Date Nail Collectors' Association

International Netsuke Society
Includes a quarterly magazine, a biennial convention -- Dues are $125.

Nippon

International Nippon Collectors Club
An excellent site with numerous resources, especially concerning reproductions.

The American Numismatic Association
Lists over 500 member clubs in the Association. See also: Society of Paper Money Collectors