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ATA Study Units & Affiliates

American Topical Association Study Unit Program
The American Topical Association is composed of members who specialize in thematic or topical philatelic collecting. Those who share a specific topic band together to form "study units." These units promote their specific topic and encourage research on that topic. These groups then affiliate with the ATA to receive various benefits including a free review of their journal in Topical Time, the bi-monthly publication of the ATA. The units are eligible for a free meeting room during the annual National Topical Stamp Show (NTSS). The study unit receives free publicity in ATA listings, literature and press releases.

In return, each study unit agrees to to file an annual report with the American Topical Association, listing its officers and including a list of the unit's membership. The unit is encouraged to promote membership in the ATA by individual members.

American Topical Association Study Units & Affiliates

Americana Unit Judaica Thematic Society
Archaeological (Old World)
Study Unit
Lighthouse Stamp Society
Armenian Philatelic Association (ArPA) Malaria Philatelists International
Astronomy Study Unit Masonic Study Unit
Bicycle Stamps Club Mathematical Study Unit
Biology Unit Medical Subjects Unit
Books and Printing – Graphics Philately Association Motivgruppe Musik
Captain Cook Society Napoléonic Age Unit
CartoPhilatelic Society Penguins on Stamps Study Unit
Cats on Stamps Study Unit Perfins Club
Chemistry & Physics Study Unit Petroleum Philatelic Society International
Chess on Stamps Study Unit Pitcairn Islands Study Group
Christmas Philatelic Club Polar Philatelists,
American Society of
Disneyana on Stamps Society Plate Number Coil Collectors Club (PNC3)
Earth's Physical Features Study Unit Railroad Unit, Casey Jones
Ebony Society of Philatelic Events and Reflecting (ESPER) Rotary on Stamps Fellowship
World of Engravers
Philatelic Association
Scouts on Stamps Society International
Errors, Freaks & Oddities
Collectors Club
Ships on Stamps Unit
Europa Study Unit Space Unit
Fire Service in Philately Sports Philatelists International
Gastronomy Study Unit Stamps on Stamps Collectors Club
Gems-Minerals-Jewelry Study Unit United Nations Philatelists
Halloween Spooktacular
Stamps ‘n Stuff
Windmill Study Unit
International Society of Worldwide Stamp Collectors Wine on Stamps Study Unit
Journalists, Authors and Poets on Stamps (JAPOS)