An amateur press association is a group of people who collaborate on producing an internally distributed periodical.
Amateur Trapshooting Association was created in 1900.
Amateur Swimming Association was created in 1869.
National Amateur Rowing Association was created in 1890.
Amateur Hockey Association of Canada was created in 1886.
National Amateur Bodybuilders Association was created in 1950.
Amateur Athletic Association - basketball - was created in 1897.
Amateur Astronomers Association of Pittsburgh was created in 1929.
Radio Amateur Association of Greece was created in 1958.
I think the Amateur Softball Association but don't quote me on that
World Amateur Body Building Association was created in 1976.
Eastern Canada Amateur Hockey Association was created in 1905.
All-American Amateur Baseball Association Hall of Fame was created in 1994.