Stamps
- 381
- Postal History Society of Canada
- Organization devoted to the study of the postal history of Canada and its predecessor colonies offers articles and exhibits on its website, and provides online databases for members.
- 382
- State Revenue Society
- Members of organization specialize in collecting United States fiscal stamps issued by state and local governments.
- 383
- U.S. Philatelic Classics Society
- Association supports collectors of United States postal history, and stamps, essays, and proofs, produced before 1894. Offers members the ability to search past newsletters issued as far back as 1948.
- 384
- United States Stamp Society
- Organization promotes the study of postage and revenue stamps produced for use in the United States and United States-administered areas.
- 385
- Vermont Philatelic Society
- Organization publishes a quarterly journal promoting the study of philatelic material from Vermont, and provides on its website lists of local clubs and stamp shows in the Green Mountain State.
- 386
- Western Cover Society
- Group's members study the postal history of the Old West, including covers and cancellations used in the Western continental United States, Hawaii, Alaska, Western Canada, and parts of Mexico.
- 387
- Air Mail Society of New Zealand
- Founded in 1930 at the commencement of regular aerial postal services in NZ. Includes information on membership, exhibitions, newsletter and publications.
- 388
- Canterbury Junior Stamp Club
- Includes club's history, activities, stamp camps, photos and contacts.
- 390
- New Zealand Stamps
- Illustrates stamps that are part of New Zealand's 1935 issue, providing details about recognized flaws and covers.
- 391
- Philatelic Foundation Christchurch (Inc)
- Formed from the committee of Panpex'77 National Stamp Exhibition. Organises regular monthly public stamp auctions and occasional postal auctions.
- 392
- American Helvetia Philatelic Society
- Club uses a bimonthly newsletter and archives of older publications to serve and inform collectors of Swiss stamps.
- 393
- American Society for Netherlands Philately
- United States-based group focuses on the stamps and postal history of the Netherlands, plus revenue stamps and other philatelic material issued by the Netherlands and Dutch colonies.
- 394
- Austria Philatelic Society
- In addition to promoting the collection of stamps and covers used in Austria and related areas, this organization publishes a quarterly journal and offers articles related to Austrian philately on its website.
- 396
- Germany Philatelic Society
- Group is dedicated to the preservation and collection of German stamps and postal history and philatelic materials from related areas, and publishes a monthly magazine.
- 397
- Hellenic Philatelic Society of Great Britain
- London-based club promotes study of Greek postage stamps.
- 398
- Irish Philatelic Circle
- Society supports efforts of collectors of Irish stamps and postal history.